High School DxD Demons: Ranking the 10 Strongest of Them All

Having been introduced to a world where ancient myths intertwine with modern-day struggles, prepare to plunge headfirst into the exhilarating, complex, and often dangerous realm of demonic power.

Ascending the Ranks: Decoding Power in the DxD Underworld

Welcome, intrepid explorers, to the thrilling and intricate universe of High School DxD! Beyond its engaging blend of slice-of-life comedy and supernatural battles, this series masterfully crafts a deep, detailed world where angels, devils, and fallen angels clash for dominance, influence, and survival. At the heart of this supernatural tapestry lies the demonic hierarchy, a rigid yet constantly shifting structure that dictates the very flow of power.

The Underworld: Home of Demonic Might

The primary domain of devils is the Underworld, a vast and ancient realm that serves as the heart of demonic society. Far from being a chaotic abyss, it is a sophisticated domain, bustling with cities, political intrigue, and powerful noble houses. At the apex of this society are the Four Great Satans – the ruling class of the Underworld. These four individuals wield immense authority, guiding the fate of all devils. Supporting them, and forming the backbone of demonic aristocracy, are the noble houses of the 72 Pillars. Each Pillar family boasts a unique lineage, often associated with specific demonic abilities, territories, and historical significance, making them vital players in the Underworld’s power game.

Measuring True Demonic Power

In the Underworld, power isn’t a simple measure of brute strength. Instead, it’s a multifaceted concept, influenced by a blend of inherent gifts, cultivated skills, and strategic prowess. Understanding these various metrics is key to appreciating the true strength of a devil:

• Lineage and Blood Purity: One of the most significant factors is a devil’s lineage. Descendants of ancient and powerful clans, like the renowned Gremory Clan with its unique "Power of Destruction," often inherit potent abilities and a natural predisposition for immense magical energy. Blood purity and the strength of one’s demonic heritage are highly valued and can open doors to greater potential.
• Raw Magical Energy: Beyond lineage, the sheer volume and control of a devil’s raw magical energy is paramount. This energy fuels their spells, enhances their physical attributes, and allows them to perform feats far beyond mortal comprehension. A devil with an enormous magical reserve can overwhelm opponents through sheer force.
• Unique Abilities and Sacred Gears: While lineage grants inherent powers, many devils also possess or acquire unique abilities that set them apart. These can range from specialized elemental control to formidable regenerative properties or even mental manipulation. Furthermore, devils can host Sacred Gears—divine artifacts that grant their wielder extraordinary powers, sometimes even capable of challenging a Satan-class devil.
• Strategic Intellect and Leadership: Brute force is often insufficient in the complex political and military landscape of the Underworld. Strategic intellect, cunning, and effective leadership are invaluable assets. A devil who can outwit opponents, command forces efficiently, and adapt to changing battle conditions can often overcome physically stronger adversaries.

The Shifting Sands of Power: Old vs. New Satans

The Underworld’s political landscape is heavily influenced by a pivotal civil war that reshaped its leadership. The original Four Great Satans—Lucifer, Beelzebub, Leviathan, and Asmodeus—were tragically lost, leading to a power vacuum and the eventual rise of a new generation. This distinction between the Old Satan Faction (those clinging to the old ways and bloodlines) and the New Four Great Satans (the current, more progressive rulers) is crucial for understanding the Underworld’s intricate power dynamics.

Feature	Old Satan Faction	New Four Great Satans
Leadership	Descendants/allies of the original Four Great Satans	Sirzechs Lucifer, Ajuka Beelzebub, Serafall Leviathan, Falbium Asmodeus
Ideology	Primarily traditionalist, focused on maintaining blood purity and ancient customs. Often resentful of the current system.	Progressive, focused on reform, preventing extinction, and fostering relations with other factions (Angels, Fallen Angels).
Goals	Overthrow the New Satans, restore the old order, and reclaim their ‘rightful’ positions.	Maintain peace, develop the Underworld, strengthen their forces, and adapt to modern challenges.
Power Base	Primarily older, established noble families who sided with the original Satans; many powerful, but often isolated, individuals.	Supported by the vast majority of current noble houses, the Grigori (Fallen Angels) in some alliances, and the Church (Angels) in peace treaties.
Current Status	A significant, often troublesome, antagonist faction within the Underworld.	The legitimate and recognized governing body of the Underworld.
Notable Members	Shalba Beelzebub, Creuserey Asmodeus, Rizevim Livan Lucifer	Sirzechs Lucifer (Rias’s brother), Serafall Leviathan (Sona’s sister)

Setting the Stage for the Ranking

As we delve into our ultimate ranking of the most powerful and influential characters in High School DxD, remember that this list considers more than just raw, destructive power. We’ll be evaluating individuals based on a comprehensive set of criteria: their inherent combat ability and magical prowess, their influence within the Underworld and beyond, their strategic importance, and their overall significance to the storyline. Each entry is a testament to the diverse forms that power can take in this captivating demonic world.

With this comprehensive understanding of the Underworld’s power dynamics and the criteria for true demonic might, let’s now turn our attention to the formidable individuals who embody these very principles, starting with a figure renowned for her elegance, power, and unwavering loyalty – the Silver-Haired Queen.

As we navigate the intricate hierarchy of the Underworld and begin to grasp the sheer scope of demonic power, it’s essential to recognize the formidable figures who define its very limits.

Beneath the Ice: The Unyielding Power of Grayfia Lucifuge, The Strongest Queen

Stepping out of the shadow of a truly powerful demonic lineage, we encounter a figure whose elegance is matched only by her terrifying might: Grayfia Lucifuge. She stands as a testament to the potent capabilities within the Underworld’s elite, not only as the esteemed wife and Queen of Sirzechs Lucifer, one of the Four Great Satans, but also as the devoted maid of the Gremory Clan. Her presence alone commands respect, her silver hair a striking contrast to the cold, devastating power she wields.

A Legacy Forged in Service and Might

Grayfia’s roots run deep within the fabric of the Underworld’s aristocracy. She hails from the ancient and incredibly prestigious Lucifuge clan, a family renowned for their unwavering loyalty and formidable strength, historically serving the original Lucifer himself. This lineage imbues her with an inherent magical prowess and a disciplined demeanor, making her a beacon of both tradition and power. The Lucifuge name carries significant weight, representing generations of demonic might and a profound connection to the very origins of the Devil race’s ruling class.

The Apex of Queens: Mastery Over Annihilating Ice

What truly sets Grayfia apart is her immense power, which has earned her the formidable title of the ‘Strongest Queen‘. This isn’t just an honorific; it’s a recognition of her unparalleled mastery over ice-based demonic magic. Unlike simple frost, Grayfia’s ice is not merely cold; it is an annihilating force capable of freezing foes to their very soul, crushing them with crystalline pressure, and constructing complex, formidable defenses. Her control is absolute, allowing her to manifest devastating blizzards, impenetrable barriers, and precision attacks that can incapacitate or destroy opponents with chilling efficiency. To face Grayfia is to confront a force of nature, a blizzard given form, capable of turning the battlefield into a frozen wasteland.

A Pillar of the Underworld’s Order

Beyond her personal might, Grayfia plays a crucial role in the current demonic government. As a powerful enforcer, she ensures order and stability, her authority and power making her an invaluable asset to Sirzechs Lucifer’s administration. More significantly for those seeking to understand the mechanics of demonic power, she serves as a vital benchmark for the power of a Queen Evil Piece. Her extraordinary abilities demonstrate the absolute peak of what a Queen piece—one of the most versatile and potent pieces in the Evil Piece system—can achieve when wielded by a truly exceptional individual. Her existence proves that a Queen can be a frontline combatant, a strategic mastermind, and an unyielding shield, all in one magnificent package.

To fully appreciate the scope of Grayfia’s influence and abilities, here’s a quick overview:

Attribute	Description
Affiliation	Wife/Queen of Sirzechs Lucifer, Maid of the Gremory Clan, Enforcer for the Underworld Government
Rank	Queen (Evil Piece), Elite High-Class Devil
Primary Abilities	Mastery over Ice-based Demonic Magic (including Annihilating Ice, Ice Constructs, Freezing Attacks), Immense Demonic Power, Enhanced Durability and Reflexes
Notable Feats	Earned the title of "Strongest Queen," demonstrated overwhelming power against numerous formidable opponents, served as a crucial figure in maintaining order and fighting threats within the Underworld

Grayfia Lucifuge embodies a perfect blend of power, grace, and unwavering loyalty, setting an incredibly high bar for what it means to be a Queen in the Underworld. Yet, not all might is found in arcane frost; some wield a raw, unyielding physical force, as exemplified by a certain Lion King.

From the serene, yet devastating, magical might of Grayfia Lucifuge, we now turn our gaze to a different kind of power—one forged not by inherited magic, but by unparalleled personal endeavor.

Forging Destiny: Sairaorg Bael and the Indomitable Spirit of the Lion King

Prepare to be inspired by one of the most remarkable devils in the High School DxD universe: Sairaorg Bael. More than just an heir to a prestigious clan, Sairaorg embodies the true spirit of hard work, determination, and the unwavering pursuit of physical perfection. His story is a powerful testament to what can be achieved when raw talent is surpassed by an iron will.

The Bael Legacy and a Unique Challenge

Sairaorg Bael stands as the rightful heir to the illustrious Great King Bael clan, a name synonymous with prestige and, crucially, the dreaded Power of Destruction. This fearsome ability, a cornerstone of the Bael family’s might, is typically an inherited trait, flowing through the bloodline of its members. It’s an immense magical force, capable of obliterating anything in its path, marking its wielder as a formidable opponent.

However, Sairaorg’s tale takes an extraordinary turn. Despite being born into this powerful lineage, he was, surprisingly, born without the inherited Power of Destruction. In a world where lineage often dictates destiny and inherited power is king, this omission could have easily relegated him to the sidelines, a prince without his most defining weapon. But Sairaorg Bael refused to be defined by what he lacked.

A Body Forged in Fire: The Pinnacle of Physical Perfection

Instead of lamenting his unique circumstance, Sairaorg embarked on a relentless and grueling journey of self-improvement. He decided to forge his own path to power, one built on the bedrock of sheer physical prowess and unyielding discipline. He subjected his body to unimaginable training regimes, pushing the very limits of what a devil could achieve without reliance on inherent magical abilities.

Through years of sweat, pain, and unwavering dedication, Sairaorg honed his body to the absolute pinnacle of physical perfection. He sculpted a physique that is a true marvel – a fortress of muscle, resilience, and explosive power. Every sinew, every bone, every fiber of his being was meticulously trained, transforming him into a living weapon. This incredible transformation isn’t just about raw strength; it’s a testament to his unbreakable spirit and his belief that true power comes from within.

The Roaring Combat Style: Strength, Speed, and Spirit

Sairaorg’s fighting style is a breathtaking spectacle, a direct manifestation of his philosophy: might born from effort. It’s a no-holds-barred, incredibly direct, yet surprisingly agile approach that combines three core elements into an overwhelming force:

• Immense Physical Strength: His punches are like meteor strikes, capable of shattering mountains and pulverizing even the most durable defenses. He can deliver blows with such staggering force that they send powerful devils flying and crack the very earth beneath their feet. This isn’t just brute force; it’s controlled, focused devastation.
• Blinding Speed: Despite his muscular build, Sairaorg moves with astonishing velocity. He can close distances in an instant, deliver a flurry of attacks before an opponent can react, and dodge incoming assaults with remarkable agility. His speed complements his strength, ensuring his powerful blows land where they matter most.
• Touki (Fighting Spirit): Perhaps the most captivating aspect of his combat is his mastery of Touki. This isn’t just an abstract concept; in Sairaorg’s hands, Touki is a tangible, visible manifestation of his overwhelming fighting spirit and determination. It radiates from him as a golden, fiery aura, amplifying his physical capabilities to superhuman levels, making him even faster, stronger, and more resilient. It’s a direct reflection of his unwavering will to win, turning his very resolve into a weapon.

Together, these elements make Sairaorg a whirlwind of devastating physical combat, capable of going toe-to-toe with some of the most powerful supernatural beings, often surprising them with his pure, unadulterated power.

A Rival Forged in Determination: Inspiring Issei

Sairaorg Bael serves as a profoundly significant figure, particularly as a powerful rival to Issei Hyodo. Their dynamic is a fascinating exploration of two contrasting paths to power:

• Sairaorg: Represents the pinnacle of hard work, determination, and self-made power. He proves that even without inherited talents, one can ascend to incredible heights through sheer grit and an unyielding spirit.
• Issei: While Issei also trains hard, much of his foundational power comes from the inherited might of the Boosted Gear and the Red Dragon Emperor, Ddraig.

Sairaorg challenges Issei not just in battle, but philosophically. He pushes Issei to question what true strength means and to understand that raw, inherited power is only part of the equation. Their clashes are never just about who is stronger; they are about different philosophies of strength, inspiring both characters and the audience to appreciate the value of effort and perseverance. Sairaorg stands as a beacon of inspiration, showing that the fire of ambition can burn brighter than any inherited magical flame.

Sairaorg Bael: Key Attributes

Here’s a quick summary of what makes Sairaorg Bael such an extraordinary figure:

Attribute	Description
Affiliation	Great King Bael Clan (Heir), Devil Race, Student at Kuoh Academy (3rd Year), Member of the 67th Gremory peerage (temporarily in Rating Game).
Rank	High-Class Devil, Heir to the Great King Bael Clan, King piece of his own peerage.
Primary Abilities	Immense Physical Strength, Superhuman Speed and Agility, Mastery of Touki (Fighting Spirit) Manifestation, Expert Hand-to-Hand Combatant, Devil Physiology (Enhanced senses, durability, healing), Leadership Skills.
Notable Feats	Single-handedly overcame the disability of lacking the Power of Destruction, Became one of the strongest young devils through training, Fought Issei Hyodo to an awe-inspiring standstill in a memorable Rating Game, Inspired countless devils.

Having witnessed the raw, self-made power of Sairaorg, our journey continues to another influential figure whose lineage and unique abilities shape the destiny of the supernatural world: Rias Gremory.

Moving from Sairaorg Bael’s raw physical might and unwavering resolve, we now turn our attention to a figure whose strength lies not just in power, but in potential, leadership, and a unique, devastating inheritance.

Where Destruction Blooms: Rias Gremory’s Creative Power and Ascendant Leadership

In the vibrant world of high-stakes devil politics and supernatural battles, few figures command as much admiration and intrigue as Rias Gremory, the captivating crimson-haired beauty who stands as the main heroine and esteemed heiress of the illustrious Gremory Clan. Her journey is a compelling narrative of growth, responsibility, and the forging of a legacy that promises to reshape the very fabric of the underworld. Rias is not just a scion of a noble house; she is a burgeoning leader whose influence and capabilities are rapidly expanding, placing her high on any list of formidable devils.

The Power of Destruction: A Crimson Inheritance

One of the most defining aspects of Rias Gremory’s formidable presence is her inheritance of the iconic Power of Destruction. This devastating ability, a hallmark of her Bael bloodline, manifests as a crimson-hued energy capable of annihilating anything it touches. What truly sets Rias apart, however, isn’t just the raw power of this ability, but her remarkably creative ways of wielding it. From precise, focused beams that pierce through defenses, to wide-area explosions that decimate entire battlefields, Rias has learned to master this volatile power, molding it to suit diverse combat scenarios. Her control allows for both surgical strikes and overwhelming displays of force, making her an unpredictable and potent adversary.

From Heiress to Commander: A Leader Forged in Fire

Beyond her inherent magical prowess, Rias’s growth as a true leader is a central pillar of her character. We witness her transformation from a high-class devil burdened by her family’s expectations into a commanding presence capable of inspiring and leading her unique peerage. Her peerage itself is a testament to her discerning eye and formidable influence, including powerhouses like the legendary Issei Hyodo. Under her guidance, this diverse group has grown into a tightly knit and incredibly effective fighting unit, capable of confronting threats that challenge the very foundations of the devil world. Rias’s ability to strategize, motivate, and protect her subordinates underscores her maturity and unwavering dedication to her role as a King.

Rias Gremory: Key Attributes

To better understand the multifaceted nature of the Crimson-Haired Ruin Princess, let’s look at her core attributes:

Attribute	Details
Affiliation	Gremory Clan, Occult Research Club (President)
Rank	High-Class Devil (King), Heiress of the Gremory Family
Primary Abilities	Power of Destruction, High-Level Demonic Magic, Leadership & Tactical Acumen
Notable Feats	Leading her peerage to victory against formidable foes, Master of Destruction, Inspiring unwavering loyalty from her peerage

A Future Forged in Crimson: Rias’s Unveiled Potential

Her potential is, without a doubt, a key factor in her high ranking on this list. While she may not yet possess the raw, unbridled power of some of the senior devils, her trajectory is nothing short of meteoric. Her combination of inherited power, burgeoning leadership skills, and the dynamic growth of her peerage positions her as a future powerhouse. Rias Gremory is not merely following in the footsteps of her ancestors; she is actively carving out a new, incredibly powerful path for the Gremory Clan, promising an era where her crimson flames will lead the charge.

As Rias Gremory solidifies her place as a formidable leader with an unstoppable trajectory, the stage is set for another figure whose sheer power and ambition know no bounds.

While Rias Gremory embodies the noble legacy of the Gremory household, the supernatural world is also home to figures whose might challenges even the highest echelons of power, often driven by a relentless pursuit of strength.

The White Dragon’s Roar: Decoding the Enigma of Vali Lucifer’s Power

Prepare to meet Vali Lucifer, a name that resonates with both awe and a hint of trepidation throughout the supernatural realms. He is no ordinary devil; Vali is an incredibly powerful and enigmatic descendant of the original Satan, Lucifer himself. This lineage grants him immense innate capabilities, further amplified by his unique status as a demon-human hybrid. His very existence blurs the lines between races, forging a warrior of unparalleled potential whose every appearance promises a clash of titans.

The Divine Dividing: Wielder of Albion’s Might

At the core of Vali’s overwhelming strength lies his Sacred Gear: the Longinus known as ‘Divine Dividing’. This legendary artifact houses the soul of the Vanishing Dragon, Albion, the White Dragon Emperor, one of the two Heavenly Dragons and an ancient rival to Ddraig, the Red Dragon Emperor (Issei Hyodo’s Sacred Gear). The power of Divine Dividing is deceptively simple yet devastatingly effective:

• Power Division: Vali can halve an opponent’s power every 10 seconds, effectively rendering even the mightiest foes vulnerable over time. This ability works on almost anything, including magic, physical strength, and even abstract concepts.
• Reflect: He can reflect incoming attacks, sending them back to their origin with increased force.
• Half Dimension: A more advanced technique where he can divide an area or even an opponent’s body, reducing them to half their size or mass.

The sheer versatility and raw power of Albion make Vali a formidable opponent, capable of dismantling even the most robust defenses.

A Life Defined by Battle: Rivalry with the Red Dragon Emperor

Vali’s life is defined by an insatiable hunger for battle and a singular obsession: to fight the strongest opponents across all mythologies. He isn’t driven by malice or conquest, but by the pure thrill of testing his limits against the most formidable beings. This relentless pursuit of power naturally brings him into an intense, long-standing rivalry with Issei Hyodo, the Sekiryuutei (Red Dragon Emperor). Their clashes are legendary, often escalating into spectacles that shake the very foundations of the world, each pushing the other to new heights of power and leaving an indelible mark on the landscape of supernatural conflict.

An Immense Power Level: Challenging the Elite

Make no mistake: Vali Lucifer’s power level is truly immense. He is not merely strong; he stands on a tier that few can reach, commanding respect and fear in equal measure. His capabilities easily rival those of high-ranking devils, and he has demonstrated the ability to challenge and even contend with the Four Great Satans themselves. His strategic mind, combined with the raw power of Albion and his demonic heritage, makes him a force that commands respect and fear in equal measure, a true emperor of the battlefield whose very presence shifts the balance of power.

Here’s a quick summary of Vali Lucifer’s extraordinary attributes:

Attribute	Description
Affiliation	Khaos Brigade (formerly), Independent
Sacred Gear	Divine Dividing (Longinus) – Houses the soul of the Vanishing Dragon, Albion.
Primary Abilities	Power Division: Halves opponent’s power every 10 seconds. Reflect: Returns attacks to sender. Half Dimension: Divides objects or areas. Balance Breaker (Albion Regalia): Grants him a powerful armored form. Juggernaut Drive: A dangerous, berserker state. Empireo Judgement: Albion’s ultimate attack.
Notable Feats	Regularly battles and challenges Issei Hyodo. Has faced and contended with the Four Great Satans. Known for defeating numerous powerful enemies across different factions.

As formidable as Vali’s unyielding pursuit of power may be, the supernatural world is also graced by enchanting and utterly unpredictable figures who wield their own unique brand of might and charm.

While Vali Lucifer showcases the raw, untamed power of the White Dragon Emperor, the Underworld’s leadership includes figures who wield immense strength with a more… unique flair.

The Glittering Deception: Serafall Leviathan’s Icy Dominion

Among the esteemed Four Great Satans, Serafall Leviathan stands out not only as a formidable ruler but also as an embodiment of delightful paradox. Holding the revered title of ‘Leviathan’, she is a pillar of the Underworld’s governance, yet her public persona is anything but traditional for a devil of her stature.

A Magical Girl’s Smile, a Devil’s Absolute Might

At first glance, Serafall projects an image of pure, unadulterated cheerfulness, embracing a vibrant "magical girl" aesthetic complete with elaborate outfits, sparkling accessories, and an infectious enthusiasm. This whimsical exterior, however, conce is a terrifyingly powerful devil, possessing an absolute mastery over ice magic that is virtually unparalleled. Her control is so profound, it is widely acknowledged to surpass even the renowned ice abilities of Grayfia Lucifuge, the Queen of the Gremory household. Serafall can manifest ice with incredible versatility and potency, from delicate constructs to devastating, continent-spanning blizzards, making her a force of nature in battle.

Pillar of the Underworld: Ruler and Diplomat

As one of the Four Great Satans, Serafall Leviathan shoulders immense responsibility in the governance of the Underworld. Her specific domain largely revolves around foreign affairs, acting as a key diplomat and representative in dealings with other factions and realms. Her role is crucial in maintaining the delicate balance of power within the supernatural world, ensuring stability and preventing conflicts through strategic negotiations and, when necessary, overwhelming displays of power. Her position solidifies her significance not just as a powerful individual, but as an indispensable leader shaping the future of devilkind.

Power on a National Scale: Freezing the Battlefield

Serafall’s power is not merely impressive; it operates on a truly national, if not global, scale. She possesses the capability to freeze vast areas, entire landscapes turning into desolate, icy expanses at her command. This allows her to single-handedly alter battlefields, trapping armies or neutralizing threats with a chilling efficiency. Her combat prowess is such that she can comfortably contend with and even overwhelm ultimate-class threats, demonstrating a level of destructive potential that few can match. Her casual demeanor belies a strategic mind and an explosive power that can turn the tide of any conflict.

To summarize the key aspects of this enchanting yet formidable Satan:

Attribute	Description
Affiliation	Underworld, The Four Great Satans
Title (Great Satan)	Leviathan
Primary Abilities	Absolute Mastery over Ice Magic (surpassing Grayfia Lucifuge), Flight, Devil Powers
Notable Feats	Ruler responsible for foreign affairs, Capable of freezing vast areas, Battles ultimate-class threats, Maintains balance of power

Her blend of charm and destructive capability makes her an indispensable, if eccentric, leader, paving the way for the strategic genius of the next Satan we will explore.

While Serafall Leviathan dazzles with her unpredictable charm and formidable ice magic, our journey through the ranks of the Four Great Satans now brings us to a figure whose power lies not just in raw strength, but in an intellect that reshaped the very fabric of the Underworld.

The Architect of Evolution: Ajuka Beelzebub, The Underworld’s Unrivaled Intellect

Stepping into the spotlight as another of the illustrious Four Great Satans, Ajuka Beelzebub stands as a testament to the idea that true power often resides within the mind. Hailed by many, and arguably by all, as the most intelligent being in the entire Underworld, Ajuka isn’t just a leader; he’s a visionary whose brilliance has left an indelible mark on demon society. His contributions are so profound that they continue to dictate the very structure and progression of the demonic world.

The Genius Behind the Game: The Evil Pieces System

Ajuka Beelzebub’s greatest and most celebrated achievement is undoubtedly the creation of the Evil Pieces system. This revolutionary innovation completely transformed how devils operate and grow in power. Before Evil Pieces, high-class devils often relied on bloodlines and sheer inherited power. The system Ajuka devised allows devils to reincarnate other beings—humans, fallen angels, even other mythical creatures—into devils by assigning them a specific Evil Piece.

• Revolutionizing Devil Society: The Evil Pieces system provided a structured and meritocratic path for growth, allowing powerful individuals from other races to join the devil ranks and bolster their forces. This significantly increased the population and power potential of devil households.
• Empowering the 72 Pillars: For the ancient 72 Pillars, the Evil Pieces offered a means to expand their peerages and recover from the losses incurred during past conflicts, ensuring the continuation and strengthening of their noble houses. It essentially democratized power acquisition to an extent, moving beyond pure lineage.

Manipulating Reality: The Kankara Formula

Beyond his societal reforms, Ajuka possesses a unique and truly awe-inspiring ability known as the ‘Kankara Formula’. This isn’t just a magical spell or a brute force attack; it’s a testament to his profound understanding of the universe’s underlying mathematical principles. With the Kankara Formula, Ajuka can control and manipulate mathematical formulas that govern reality itself. This allows him to:

• Alter Physical Laws: From gravity to energy flow, Ajuka can tweak the very equations that dictate how the world works around him.
• Devise Complex Strategies: In combat, this translates into an almost omniscient tactical advantage, allowing him to calculate outcomes and manipulate variables to his favor.
• Create Unimaginable Constructs: His understanding isn’t limited to combat; he can theoretically apply these formulas to create, destroy, or modify anything that adheres to mathematical principles. It is, in essence, a form of reality manipulation through advanced computation.

A Scientist with Superlative Might

While Ajuka is undeniably a scientist and an intellectual at heart, often seen immersed in his research and calculations, it would be a grave mistake to underestimate his combat prowess. His mastery of the Kankara Formula ensures that his fighting style is not only highly strategic but also incredibly destructive and unpredictable. He can analyze an opponent’s every move, calculate their weaknesses, and then exploit them with precision, making him an extraordinarily dangerous adversary. His blend of overwhelming intellect and reality-bending power places him firmly in the top tier of all demons, a force to be reckoned with on any battlefield.

Here’s a summary of Ajuka Beelzebub’s key attributes:

Attribute	Description
Affiliation	Four Great Satans, Beelzebub Clan
Title	Great Satan
Primary Abilities	Kankara Formula (Mathematical Reality Manipulation), Superb Intellect, Master Strategist
Notable Feats	Creator of the Evil Pieces System, Widely considered the most intelligent being in the Underworld

Having delved into the mind of Ajuka Beelzebub, we now brace ourselves for a name synonymous with primordial power and a legacy that continues to cast a long, dark shadow: Rizevim Livan Lucifer.

While Ajuka Beelzebub represents the pinnacle of innovation and intellect within the Underworld, a far more sinister and destructive force once lurked in its shadows, embodying pure malevolence and immense power.

Unveiling the True Heir: Rizevim Livan Lucifer, The Super Devil’s Unmaking Touch

Prepare to meet one of the most chilling antagonists in the supernatural world: Rizevim Livan Lucifer. Far from being a mere descendant, Rizevim holds the profound and unsettling distinction of being the biological son of the original Lucifer. This lineage alone grants him a terrifying aura of authority and a claim to a legacy of unimaginable power, making him a central and formidable foe within the narrative. His very existence is a challenge to the established order, a living embodiment of the past’s most destructive ambitions.

The Terrifying Power of a ‘Super Devil’

Rizevim isn’t just a powerful demon; he occupies an echelon of power rarely seen, earning him the title of a ‘Super Devil.’ This classification signifies a being whose capabilities far outstrip even those of the mightiest Satan-class demons. To put it simply, where a Satan-class demon represents the peak of conventional demonic power, a Super Devil like Rizevim exists on an entirely different plane. His raw magical reserves are staggering, his physical prowess immense, and his very presence warps the battleground, capable of overwhelming multiple powerful opponents with ease. He is a force of nature, almost god-like in his destructive potential.

Sacred Gear Canceler: The Ultimate Nemesis

Perhaps Rizevim’s most infamous and truly terrifying ability is his unique power, the ‘Sacred Gear Canceler.’ In a world where Sacred Gears are the foundation of countless powerful individuals’ strength – from the legendary Red and Vanishing Dragons to the most potent warriors – Rizevim’s ability completely negates them. Imagine a warrior like Issei Hyodo, who relies entirely on his Boosted Gear, or Vali Lucifer, whose Divine Dividing defines his combat style. Against Rizevim, their most fundamental weapons become utterly useless. This power doesn’t just reduce effectiveness; it cancels the Sacred Gear itself, leaving its wielder vulnerable and disarmed. This makes him the ultimate nemesis for Sacred Gear users, capable of dismantling their core abilities and leaving them utterly helpless, facing a Super Devil with no means to fight back. It’s a game-changing power that forces opponents to rethink every strategy.

A Cruel Heart and Immense Threat

Beyond his overwhelming power and reality-bending abilities, Rizevim is defined by his utterly cruel and sadistic nature. He revels in the suffering of others, finding immense satisfaction in psychological torment and physical destruction. This inherent malice, combined with his colossal strength and the Sacred Gear Canceler, made him one of the greatest and most insidious threats the Underworld has ever faced. His plots were often intricate, designed not just for conquest but for maximum despair and chaos, solidifying his reputation as a truly evil and relentless antagonist who would stop at nothing to achieve his twisted goals.

Rizevim Livan Lucifer: Key Attributes

To better understand the magnitude of this formidable Super Devil, here’s a summary of his core characteristics:

Attribute	Description
Affiliation	Old Satan Faction (Leader), Khaos Brigade
Species	Super Devil (Son of the Original Lucifer)
Primary Abilities	Sacred Gear Canceler: Negates all Sacred Gear abilities, rendering them useless.
	Immense Demonic Power: Vast magical reserves, superior physical attributes.
	Strategic Intellect: Mastermind behind numerous plots to destabilize the Underworld.
Notable Feats	Led the Old Satan Faction’s resurgence, played a critical role in major conflicts against the current Satans, caused widespread devastation.

Against such a terrifying force, the world would eventually look to unexpected heroes, including one who would rise to challenge destiny itself.

While Rizevim Livan Lucifer’s ancient lineage and dark ambitions cast a long shadow over the Underworld, the true dynamism of power often arises from the most unexpected individuals, often shattering established norms in their ascent.

From Pawn to Paragon: Issei Hyodo’s Ascent Beyond Divinity

Charting the incredible journey of Issei Hyodo is to witness the very definition of exponential growth. Initially a spectacularly perverted human high school student, his untimely demise led to his reincarnation as a devil within the formidable peerage of Rias Gremory, the alluring heiress of the Gremory clan. From these humble and rather ignoble beginnings, Issei’s path was anything but ordinary, evolving from a mere pawn to a force capable of challenging the cosmos.

The Engine of Growth: Boosted Gear and Unyielding Spirit

Issei’s rapid ascent is intrinsically linked to his Longinus, the formidable ‘Boosted Gear’. This Sacred Gear, housing the Heavenly Dragon Ddraig, grants him the astonishing ability to double his power every ten seconds. More than just a simple power-up, Boosted Gear allows Issei to ‘Boost’ his physical capabilities, magical output, and even transfer this amplified power to allies, making him a central pillar of any combat scenario.

Beyond the sheer might of his Sacred Gear, it is Issei’s indomitable, even stubborn, will that truly fuels his growth. Faced with overwhelming odds, impossible foes, or the threat to his loved ones, Issei’s determination knows no bounds. This unbreakable spirit, often driven by his desire to protect his friends and, yes, his perverted dreams, allows him to constantly push past his limits, unlocking new levels of power that defy conventional understanding.

Ascending Beyond the Divine: Issei’s Pinnacle Forms

Issei’s journey is punctuated by a series of transformative power-ups, each pushing him further into the realm of legends. These forms are not merely aesthetic changes but represent radical shifts in his capabilities, allowing him to contend with beings once considered insurmountable.

Cardinal Crimson Promotion

This form represents Issei’s evolution beyond the traditional Balance Breaker, melding his demonic power with the essence of Ddraig.

• Appearance: Donning a sleek, crimson-red dragon-like armor that offers superior defense and offensive capabilities.
• Abilities: Significantly boosts all physical and magical stats, granting flight, enhanced energy projection, and the ability to distribute his boosted power more effectively. It’s a true manifestation of a Dragon-Human hybrid’s battle potential.

Diabolos Dragon God (DxD) Form

The pinnacle of Issei’s current power, the Diabolos Dragon God (DxD) form is a testament to his limitless potential. In this state, Issei transcends the limitations of both devil and dragon, reaching a level of power that truly puts him on par with, and often beyond, most established gods, Satans, and even some Dragon Gods. This form harnesses the true, raw power of a Heavenly Dragon, offering unparalleled destructive capability, cosmic manipulation, and a terrifying aura that can paralyze lesser beings. It is a testament to his unique evolution, making him a singular entity in the supernatural world.

The Perverted Paragon: Shattering Hierarchies and Redefining Potential

Issei Hyodo, the perverted protagonist, embodies limitless potential. His entire existence is a living example of how sheer determination, an unbreakable will, and a unique approach to power can shatter the established hierarchy of the supernatural world. He began as a weak pawn, yet through relentless effort and an uncanny ability to turn even his perversions into a source of strength, he has risen to a position where he is respected, feared, and admired across all factions. His journey proves that one’s origin does not dictate one’s destiny, and with enough heart (and Boosted Gear), even a perverted human-turned-devil can ascend to godhood.

Here’s a summary of Issei Hyodo’s key attributes:

Attribute	Description
Affiliation	Rias Gremory’s Peerage (Devil, Pawn), DxD Faction (Leader)
Sacred Gear	Boosted Gear (Longinus) – Houses Ddraig, the Red Dragon Emperor
Primary Abilities	Power Doubling (Boost), Power Transfer (Transfer), Dragon Shot, Dress Break, Pailingual, Dragon Blaster, Dividing Wyvern Fairy, Crimson Cardinal Promotion, Diabolos Dragon God (DxD)
Notable Feats	Defeated Kokabiel, Akeno’s Father (Baraqiel), fought against formidable enemies like Loki, Cao Cao, and Trihexa, became a High-Class Devil, attained Dragon God-level power

While Issei’s journey highlights the boundless potential of an individual’s growth, there are still titans of the supernatural world who hold their power through ancient lineage and destructive might.

While Issei Hyodo steadily climbs the ranks, reaching unprecedented heights with his burgeoning power, there exists a figure who has long stood at the absolute zenith of the devil world, setting the very standard of might.

The Crimson Standard: Why Sirzechs Lucifer Defines Devilish Power

In the intricate hierarchy of the Underworld, one name resonates with unparalleled authority and awe: Sirzechs Lucifer. He is not merely a leader; he is the undisputed pinnacle of devilish power in the current era, a force that other devils can only aspire to emulate, let alone surpass. As one of the Four Great Satans and the head of the modern Lucifer regime, Sirzechs wields an influence that is both political and immensely powerful, making him an icon of strength and governance.

The Legacy of Annihilation: Mastery of the Power of Destruction

What truly sets Sirzechs apart is his unparalleled command over the Power of Destruction. This fearsome ability is a birthright, inherited directly from his ancestors, the ancient Bael Clan, whose lineage flows through the Gremory family. But Sirzechs has not merely inherited this power; he has perfected it to an extent that transcends mere destructive force. Unlike others who might tear things apart or blast them into smithereens, Sirzechs’s Power of Destruction operates on a fundamental level: he doesn’t just destroy things; he literally erases them. Objects, beings, and even concepts cease to exist, dissolving into nothingness as if they were never there to begin with. This isn’t just power; it’s absolute, irreversible nullification.

The True Form: Manifestation of Oblivion

The sheer magnitude of Sirzechs’s Power of Destruction is so immense that he rarely unleashes its full potential. To do so would risk annihilating his surroundings, including allies and even entire landscapes. However, in moments of dire necessity, glimpses of his true nature are revealed. He can manifest as a humanoid embodiment of the Power of Destruction itself, a swirling, crimson vortex of ultimate erasure. This form is a testament to how deeply intertwined he is with this fearsome ability, proving that he isn’t just a wielder of destruction but, in essence, a living, breathing manifestation of it. It’s a power so volatile and profound that its suppression is a constant, necessary act of control.

The Ultimate Benchmark of Devil Power

For the vast majority of the series, Sirzechs Lucifer stands as the absolute, undisputed benchmark against which all other devils in the Underworld are measured. His strength defines the upper limit of what a devil can achieve, serving as a goal for aspiring powerhouses like Issei and a stark reminder of the vast chasm between even the strongest high-class devils and a true Satan of his caliber. He is the standard, the immovable object, and the irresistible force all rolled into one.

Here’s a quick summary of Sirzechs Lucifer’s defining characteristics:

Attribute	Description
Affiliation	Gremory Clan, Four Great Satans (Leader of the modern Lucifer regime)
Title	Great Satan (Lucifer), The Crimson Satan
Primary Abilities	Power of Destruction: Unparalleled mastery, capable of erasing objects and beings into nothingness. Can manifest as a humanoid embodiment of this power.
Notable Feats	Leader of the Underworld; Unquestionably the strongest devil of the current era; His power serves as the absolute benchmark for all other devils; Maintains peace and order in the devil world through immense authority and strength.

But to truly appreciate the legacy and power held by Sirzechs, we must journey further back, to the very beginning of the Satans’ lineage.

While Sirzechs Lucifer stands as a formidable pillar of the modern Underworld, his very title, and indeed the entire structure of devil society, traces its lineage back to an even more ancient and unbelievably powerful era.

The Genesis of Power: Unearthing the Lore of the Original Four Great Satans

Long before the current generation of devils rose to prominence, and even before the very concept of the modern Underworld took its definitive shape, four legendary figures stood as the undisputed progenitors of devilkind’s might: Lucifer, Beelzebub, Leviathan, and Asmodeus. These aren’t just names; they are the resonating echoes of the truly original Great Satans, whose very existence forged the bedrock of power and influence that continues to reverberate throughout the series. Their story is a foundational chapter, a testament to raw, unbridled strength that set the benchmark for all that followed.

The Unseen Architects of Devil Society

Though they had fallen in battle long before the narrative of High School DxD begins, the shadow of the Original Four Great Satans looms large over every major development and character struggle. Their impact is not merely historical; it’s deeply ingrained in the very fabric of the Underworld:

• Progenitors of Power: These ancient beings weren’t just powerful; they were the source. Many of the most formidable devil clans and unique abilities seen in the series can trace their lineage and origins directly back to these four legendary figures. Their bloodlines are a constant source of both pride and immense power for their descendants.
• A Legacy of Influence: Even in their absence, their decisions, battles, and very identities shaped the political landscape, the power dynamics, and the aspirations of future generations. The titles they once held are among the most coveted and respected in the Underworld, symbolizing authority and incredible might.

The Three-Way War: A Cataclysm That Defined an Era

The sheer, unfathomable power wielded by the Original Four Great Satans was so immense that it sparked a conflict of cosmic proportions, a Three-Way War that ripped through creation itself. This wasn’t merely a skirmish; it was an epoch-defining clash between three of the most powerful factions:

• Heaven: Led by God and his angelic host, determined to contain the Satans’ destructive capabilities.
• The Underworld: Under the absolute dominion of the Original Four, unleashing their full, terrifying might.
• The Fallen Angels: Seeking their own objectives amidst the chaos, further escalating the devastation.

This cataclysmic conflict raged for centuries, reshaping the very geography of realms and taking countless lives. It ultimately required the combined, desperate efforts of Heaven and the Fallen Angels to finally bring down these truly world-shaking Satans. Their defeat marked the end of an era, but also the beginning of the Underworld’s desperate struggle to rebuild under new leadership.

Ranking #1: The Ultimate Benchmark of Might

Placing the Original Four Great Satans at the absolute apex of our power scale is not just an acknowledgment of their historical significance; it’s a recognition that they established the entire power ceiling for the High School DxD universe. Every single character, from the mightiest Heavenly Dragon to the most ambitious young devil, constantly strives to reach or surpass the legendary, world-shaking might that these ancient beings commanded. They represent:

• The Pinnacle of Devil Power: Their strength was absolute, unchallenged among devils, and capable of shaking the very foundations of existence.
• An Unattainable Ideal: For many, their power remains an almost mythical standard, a goal that might never be fully achieved, but one that constantly drives progress and ambition.

To understand the current hierarchy, one must first understand the giants upon whose shoulders it stands. These original Satans set the stage for every struggle, every ambition, and every measure of power that defines the Underworld.

The Enduring Titles: Original vs. Modern Satans

Even today, the titles of the Great Satans are fiercely protected and passed down, though by devils of a different era. Below is a look at the legendary founders and their modern-day counterparts who have inherited their esteemed, yet incredibly demanding, mantles:

Original Great Satan	Modern-Day Counterpart
Lucifer	Sirzechs Lucifer
Beelzebub	Ajuka Beelzebub
Leviathan	Serafall Leviathan
Asmodeus	Falbium Asmodeus

Though their reign ended in catastrophic war, the legacy of these original architects continues to shape the struggles and aspirations of devils, reminding all that the hierarchy of the Underworld is a complex tapestry, constantly shifting and evolving.

And there you have it—a tour through the absolute pinnacle of demonic might in the Underworld! From the tactical genius of Grayfia Lucifuge to the world-ending potential of Sirzechs Lucifer, the hierarchy of power is a battlefield of legends. What this ranking truly reveals is the fascinating conflict at the heart of High School DxD: the unshakeable might of the old guard versus the limitless, rule-breaking potential of the new generation, perfectly embodied by the meteoric rise of Issei Hyodo.

This ever-shifting balance of power is what makes the demonic world so compelling and unpredictable. The struggle for dominance, honor, and survival defines every major conflict. But now, the question falls to you. Who do you think is the strongest demon in the series? Did your favorite make the cut, or is there a powerhouse we overlooked? Drop your own rankings and thoughts in the comments below!