Ainz

Biodata

Feature	Value
Name	Ainz Ooal Gown; commonly shortened to Ainz (安兹) 590
Alias(es)	Momonga, his former name; Fei Fei, his adventurer identity; Jet Black Fei Fei; Bone Lord, the name used in Tang Zheng’s recollections 2 590 601
Species/Race	Undead; possesses the ultimate Ruler of Death racial abilities 602
Gender	Male 590
Affiliation	Ainz Ooal Gown Guild; Great Tomb of Nazarick; Sorcerer Kingdom 590 660 717
Occupation/Role	Guild leader, Nazarick’s supreme ruler, Sorcerer King, Magic Caster, and disguised adventurer 591 629 717
Level	100 773
Status	Alive; commanding the Beastman Federation campaign and fighting Starstripe Orichalcum 774
Appearance in the supplied chapters	Referenced as Bone Lord 2; appears directly during his renaming ceremony and adventurer debut 590

Power Progression

The documented progression concerns Fei Fei’s adventurer rank, rather than an increase in Ainz’s character level.

Stage / Realm / Level	Chapter	Notes
Copper-ranked adventurer	590	Begins operating in E-Rantel as Fei Fei, accompanied by Narberal under the name Nabe.
Mithril-ranked adventurer	601	Promoted directly after his staged victory over the Taurus Dragonkin. Ainzach offers a route to Orichalcum rank, conditional on completing further missions.

Background / History

Before arriving in the New World, Ainz was an ordinary office worker. His experience leading a YGGDRASIL guild becomes a foundation for his later rule, particularly when he must manage crises involving Nazarick’s Guardians 576 629.

As the last remaining Supreme Being, he regards Nazarick and its NPCs as the legacy of his former companions. He considers their equipment something entrusted to his care, rather than simply his own property. His central objectives are to preserve the Tomb, protect his companions’ “children,” spread the name Ainz Ooal Gown so surviving friends can find him, and strengthen Nazarick through useful New World knowledge and talent 637 695.

Appearance

Ainz has a skeletal body, pale finger bones, and crimson light within his eye sockets. His undisguised presence can radiate a frightening aura of Negative Energy 590 601 602.

• Ruler’s attire: Wears an imposing jet-black magical robe and carries the Staff of Ainz Ooal Gown 637 772.
• Magic rings: His skeletal fingers bear numerous rings 590.
• Fei Fei disguise: Uses jet-black full-body armor and a helmet, with two greatswords carried on his back 700.
• Physical anatomy: Has no stomach or other internal organs, despite experiencing anxiety as though his stomach were twisting 686.

Personality

Ainz is cautious about opponents whose abilities he cannot verify. He rejects treating foreign nations as harmless, values intelligence gained through an apparent defeat, and studies much weaker tournament fighters for tactics that might improve his chances against Players or True Dragon Lords 603 637 717.

His commanding public manner conceals considerable insecurity. He privately rehearses gestures, lines, and aristocratic etiquette, recording combinations that work well. Demiurge and the other Guardians repeatedly interpret his uncertainty or practical decisions as evidence of an elaborate master plan, which Ainz often accepts rather than correcting 602 695 717 718.

He is deeply attached to the Guardians but ruthless toward outsiders. He comforts Mare after his death and lost equipment, distributes valuable resurrection rings to prevent further losses, and questions the dangers of unquestioning obedience. At the same time, he accepts the destruction of the Draconic Kingdom and mass killing during the Re-Estize campaign as measures serving Nazarick’s security 637 651 668.

Abilities & Skills

Tier Magic and Spell Reinforcement

Ainz is a high-level Magic Caster with offensive, defensive, utility, and summoning magic. He combines spell reinforcements to make even low-tier spells dangerous 154 774.

• Magic Arrow: Uses triple casting, maximization, tier boosting, and silent casting together to release a barrage of three hundred projectiles against Starstripe 774.
• Mist of Super Acid: Tenth-Tier offensive magic used to exploit a metal dragon’s natural acid weakness; Starstripe counters with prepared resistance 774.
• Great Jaw Tornado: Traps and damages surviving Judgment Throne Angels after Falling Sky 680.
• Floating Greater Landmines: Punishes an opponent attempting to close the distance 774.
• Greater Item Destruction: Destroys the banner bearing Momonga’s emblem during his renaming ceremony 590.
• Create Greater Item: Supplies weapons used during the early period of his Fei Fei disguise 694.

Super-Tier Magic

Ainz uses Super-Tier spells for battlefield-scale destruction and summoning. Their timing is a major vulnerability that his enemies deliberately exploit 668 670.

• Darkness of the Harvest Sacrifice: Kills roughly seventy thousand to over one hundred thousand soldiers and summons five Level 90 Dark Young 668.
• Falling Sky: Annihilates most of the concentrated Judgment Throne Angels 680.
• Daily limit: A Level 100 user can activate Super-Tier Magic four times per day 670.
• Cooldown: Consecutive activation is prohibited; paid items and special skills cannot remove this cooldown 670.
• Casting acceleration: A Cash Shop Hourglass completes activation instantly, but does not eliminate the subsequent cooldown 668 670.

Necromancy and Summoning

Ainz possesses a highly specialized necromantic build. Tang Zheng avoids relying on undead against him because he fears Ainz could take control of them 92.

• Undead creation: Can create four High-Tier Undead and twelve Mid-Tier Undead per day through his racial abilities 602.
• Persistent undead: Corpse-based creation allows undead to remain beyond an ordinary summon’s duration. The permanently existing undead he identifies are Low-Tier creatures below Level 40 602 689.
• Doom Lord: Uses the summon as a durable frontline distraction while supporting it with ranged magic 773 774.
• Armageddon: Evil: Summons Demons to oppose the Judgment Throne Angels, supplementing three activations released through a Demon Statue with his own casting 670.

Undead Traits and Auras

Ainz’s undead nature provides defensive traits and automatically suppresses intense emotions 602 606.

• Force Calm: Restores composure after shock, anxiety, or embarrassment 602 679 767.
• Immunity to Mental Effects: Undead resist charm, hypnosis, and comparable methods 606.
• Despair Aura: Deliberately activates it during Fanuen’s interrogation. Ainz is unsure whether the captive’s submission results from this aura or his Ruler of Death nature 606.
• Magic Nullification: Protects him against magic below Sixth-Tier; it does not provide Shalltear’s caster-level-based form of nullification 669.
• Holy vulnerability: Treats Angels and their holy attributes as natural threats to himself and Nazarick’s negatively aligned inhabitants 602.

Teleportation and Spatial Control

Ainz uses movement and containment magic to maintain distance, prevent escape, and test unfamiliar battlefield restrictions 606 679 774.

• Dimensional Lock: Prevents Fanuen’s attempted escape and later restricts teleportation during the Starstripe confrontation 606 773.
• Combat teleportation: Repositions repeatedly while fighting Angels and evades Starstripe’s close-range attacks 679 774.
• Barrier analysis: Probes the limits of the enemy’s teleportation prohibition before arranging his withdrawal 679 680.
• Delayed interference: Combines teleportation disruption with traps to frustrate Starstripe’s approach 774.

Intelligence and Combat Tactics

Ainz’s strongest practical advantage is his knowledge of YGGDRASIL mechanics, reinforced by preparation and information control 637 717.

• Detection magic: Evaluates Starstripe’s HP and MP, discovering values far beyond an ordinary Gacha Krypton Gold Dragon 773.
• Expendable probes: Sends the Dark Young against Zesshi to test her capabilities rather than immediately fighting her himself 668.
• Countering scroll users: Recognizes that powerful scrolls remain vulnerable when carried by weak users who can be eliminated through long-range area attacks 669.
• Counterintelligence: Warns that intercepted Messages may be fabricated or manipulated by an enemy expecting magical surveillance 689.
• Equipment assessment: Explains Enhanced Armor’s capabilities and approximately Level 80 upper range to the Guardians, identifying it as dangerous to the Pleiades rather than ordinary Floor Guardians 688.

Warrior Persona

As Fei Fei, Ainz fights with two massive swords and uses his overwhelming strength to perform convincing heroic battles 601.

• Practices movement and evasion against a Forest Lizard before killing it with one blow 591.
• Deliberately prolongs the Taurus Dragonkin battle so adventurers can witness his strength 601.
• Remains subject to YGGDRASIL’s equipment restrictions as a Magic Caster; his adventurer disguise does not establish a new Warrior class 700.

Equipment / Weapons / Items

• Staff of Ainz Ooal Gown — Guild Staff carried during formal rulership. It can enhance Despair Aura, although Ainz interrogates Fanuen without that enhancement 606 637.
• World Item — Possesses an unnamed World Item associated with the Guardians’ viewing experiment. The experiment establishes that World Item holders can clearly observe a battle obscured to others 612.
• Guild Ring — Allows direct teleportation within Nazarick, including to the Treasury 637.
• Cash Shop Hourglass — Instantly completes Super-Tier spell activation; used for Darkness of the Harvest Sacrifice and Falling Sky 668 680.
• Meteor Rings — Extremely precious items granting access to Wish Upon a Star. Ainz spends one of a ring’s three uses unsuccessfully trying to obtain the method behind the enemy’s scroll material 695.
• Demon Statue — An inferior statue used to release three instances of Armageddon: Evil during the Angel assault 670.
• Transposition Doll — Enables Ainz to exchange places with Pandora’s Actor and withdraw while preserving the appearance that he remains on the battlefield 680.
• Fei Fei equipment — Black armor, helmet, and twin greatswords. Initially uses magically created weapons, later replacing them with genuine blacksmith-forged weapons 601 694 700.
• Item Box and consumables — Keeps high-tier scrolls and other resources in reserve; provides Albedo with a high-tier healing potion during the Angel battle 669 678.
• Transformation ring — Lent to Sebas for his undercover Minotaur disguise 724.

Relationships

• Albedo — Overseer of Nazarick, administrator, and frontline protector. Her intense romantic devotion frequently embarrasses him, but he relies on her defensive strength and political judgment 679 718 767.
• Demiurge — Principal strategist and battlefield coordinator. Ainz depends on his deductions while repeatedly allowing Demiurge to attribute plans to him that he never devised 602 630 686 718.
• Narberal Gamma — His companion during the early Fei Fei adventures, using the name Nabe. Her repeated use of “Lord Ainz” threatens their cover 590 591.
• Aura — Scout and beast tamer entrusted with reconnaissance and independent operations. Her misunderstanding helps produce his staged-monster reputation scheme 592 667.
• Mare — Guardian whose loyalty deeply moves Ainz. After Mare’s resurrection, Ainz rejects demands for punishment and promises replacement equipment 629 637.
• Shalltear — Guardian whose death and failed resurrection cause Ainz profound anxiety. She later returns to active service, though the supplied account does not explain the restoration method 636 637 665.
• Pandora’s Actor — Treasury Guardian and trusted impersonator. Replaces Ainz on the battlefield and helps conceal Nazarick’s actual deployment 630 680.
• Sebas and Solution — Conduct undercover operations in the Kingdom. Ainz praises their acquisition of food, intelligence, profit, public support, and control of the criminal underworld 595 651.
• Cocytus — Military commander whom Ainz entrusts with internal defenses and the Beastman Federation assault 630 771 772.
• Fanuen — Captive undead investigator who reveres Ainz as a “true God of Undeath.” Ainz remains suspicious after learning of Corpus of the Abyss and the True Dragon Lords 606 607.
• Tang Zheng — Hidden strategic opponent whom Ainz separately regards as a valuable alchemist. During their direct encounter, Ainz dismisses the possibility that Tang is a Player because of his apparently chaotic class build 695 700 701.
• Zesshi Zetsumei — Enemy combatant estimated by Ainz at roughly Level 90. Her guaranteed-hit spear attacks and borrowed trump cards contribute to his suspicion of hidden Players 668 670 688.
• Touch Me and Punitto Moe — Former guild companions whose advice and examples influence Ainz’s crisis management, intelligence-focused tactics, and tournament ambitions 629 637 717.
• Starstripe Orichalcum — Guardian of the Beastman Federation who rejects Ainz’s demand for submission. Ainz considers capturing the rare dragon alive as a gift for Mare 773 774.

Story Role / Major Arcs

Renaming and Adventurer Debut

• Formally abandons “Momonga” for “Ainz Ooal Gown” and destroys his former personal banner. Nazarick’s inhabitants swear loyalty to the new name 590.
• Demiurge interprets his description of the world as an unclaimed “jewelry box” as a command for world conquest, leaving Ainz privately bewildered 590.
• Begins adventuring in E-Rantel on June 16 as Fei Fei. Investigates local potions and becomes interested in Tang’s rapidly selling Regeneration Potion 590.
• Visits Carne Station, practices Warrior-style combat, and adopts Aura’s proposal to manufacture a monster threat. His public defeat of the Taurus Dragonkin earns immediate promotion to Mithril rank 591 592 601.

Investigation of Players and Dragon Lords

• Reports of unusually persistent Angels lead him to suspect an Angel-specialized Player. He insists that Nazarick approach every nation cautiously 602 603.
• Initially orders surveillance of the unidentified Fanuen rather than an immediate attack. After the undead is captured, Ainz prevents his escape and learns of Corpus of the Abyss 604 606 607.
• Watches Aura and Mare battle the Platinum Armor and Deep Darkness Dragon Lord. Testing Albedo’s World Item confirms why only certain viewers can see the battles clearly 611 612.

Draconic Kingdom Crisis

• Shalltear’s death raises the possibility of resurrection-negating, World Item-equivalent power. Ainz tries to recall Mare, but allows him to continue after Mare insists on completing the destruction mission 629.
• Coordinates a deceptive defense involving Pandora’s Actor, Albedo, Aura, and Gargantua while withholding Nazarick’s full reserves 630 631.
• Stops Pandora from pursuing teleporting enemies into a possible ambush 635.
• Commits one billion Game Gold to resurrect Mare and Shalltear. Mare returns, but Shalltear’s resurrection fails and her name disappears from the Guild roster 636.
• Issues Super Rare Resurrection Rings to the Guardians, requires World Items for departures from Nazarick, and prioritizes dragon-related intelligence 637.

Territorial Claims and the Re-Estize Campaign

• Claims the Katze Plains and demands grain from the Kingdom, Empire, and Temple forces as compensation for unauthorized entry. E-Rantel is subsequently ceded to him, and the Sorcerer Kingdom announces its founding 640 660.
• Treats the Slane Theocracy as an enemy after confirming its alliance with the Council State 651.
• Begins the Re-Estize invasion with approximately six thousand magically equipped POP troops. Shalltear accompanies him, confirming her restoration by this point 665.
• Divides his forces to provoke corresponding enemy movements, uses the Frost Dragon Kings against hostile dragons, and casts Darkness of the Harvest Sacrifice 667 668.

Angel Assault and Hidden Trump Cards

• Zesshi’s spear attack fails to stop his Super-Tier spell because he uses a casting-acceleration item. The resulting Dark Young are destroyed by coordinated Reality Slash scroll attacks 668.
• More than a thousand Judgment Throne Angels attack during his Super-Tier cooldown. Ainz conserves valuable mercenaries, the Meteor Ring, and Victim’s ability, choosing to endure until he can cast again 670.
• The appearance of The One Cain Abel strengthens his suspicion of a concealed Player faction. He tests the teleportation barrier, destroys most Angels with Falling Sky, and substitutes Pandora’s Actor for himself 679 680.
• Refuses immediate punishment for Guardians who fail to capture the Platinum Dragon Lord. Later enemy displays—including Zesshi’s Petit-Catastrophe and excessive Super-Tier summons—make continuing the war seem increasingly dangerous 685 688 689.
• Reprimands Demiurge for trusting intercepted intelligence too readily and resolves that the war must stop. Re-Estize falls on November 16 689.

Scroll Research and Contact with Tang

• Investigates captured White Magic Scrolls with Titus. Their materials suggest that the enemy might possess a production specialist in addition to suspected Arcane and Divine Players 693 694.
• Uses Wish Upon a Star to seek the scroll-production method, but the wish fails. He suspects a World Item is responsible 695.
• Tang has deliberately removed his upgraded Papermaking spells from the Nameless Spellbook’s records, preventing Ainz from acquiring them through ordinary means or the wish 696.
• Meets Tang as Fei Fei and praises the Regeneration Potion. Tang reports supplying one thousand doses through the Guild; Ainz presents the red potion vial requested as “Divine Blood” 700 701.

Undead Labor and International Expansion

• Opens the Royal Tournament to all races and hopes to develop its prestige into something comparable to YGGDRASIL’s World Champion Selection Tournament 717.
• Promotes Undead labor to increase agricultural production, free human labor, and obtain food convertible into Game Gold. Public fear of undead slows adoption in the Empire 717.
• Demiurge and Albedo expand the policy into proposals for religious influence, foreign infiltration, intelligence gathering, and eventual conquest. Ainz approves further planning despite not understanding their full interpretation 717 718.
• By the later central-continent campaign, the Sorcerer Kingdom has conquered roughly one-third of the Minotaur Nation. Ainz’s next proposed operation meets strong objections from several Guardians 766.

Beastman Federation Campaign

• Overrules the dispute by defining the next operation primarily as an investigation. Three years of Slane Theocracy inactivity help persuade him that Nazarick can safely act in the central continent 767.
• Visits Ulausgal as Fei Fei with Entoma. Separately, he investigates possible fertility magic because of its implications for the Guardians and future generations 767.
• Launches the invasion after a half-month deadline, using roughly five thousand undead and Cocytus to test the Federation’s defenses and draw out hidden True Dragon Lords 771.
• Remains outside a captured fortress to avoid possible ritual traps. Starstripe Orichalcum then appears as the Federation’s Guardian 772.
• Demands submission, detects Starstripe’s abnormal statistics, and recognizes rare Player-related summoning items. Fights through summons, acid magic, traps, teleportation, and a three-hundred-projectile Magic Arrow barrage; the confrontation remains unresolved in the supplied chapters 773 774.

Notable Quotes

“Call me Ainz Ooal Gown—just Ainz!” 590

“Equip this magic ring. This is not a gift to you. It is merely lent to you for use.” 637

“When using intelligence-gathering magic, you must fully guard against the enemy’s preparations to counter that magic before acting. That is an iron rule!” 689

“The Beastman Federation must submit to Nazarick’s rule!” 773