Characteristics: * True Identity: Formerly a human player named "Momonga" * Race: Undead (Supreme Being) * Level: 100 * Personality: Calm, majestic, and deeply cares for his subordinates * Abilities: Wielder of extremely powerful magic * Traits: Worshipped as the absolute ruler by the NPCs of Nazarick Role: The Supreme Ruler of the Great Tomb of Nazarick. Guild Master of the guild "Ainz Ooal Gown," he commands all NPCs within Nazarick. Combat: Ainz is a top-tier magic caster specialized in magical combat. * Powerful offensive magic * Instant death spells * Time stop * Super-tier magic * Undead special abilities * Advanced strategy and tactics Inner Personality: An ordinary salaryman, prone to worrying, and a doting parent figure to his subordinates. He is constantly breaking a cold sweat while searching for the "correct answer as a ruler."

Characteristics: * Race: Demon (Succubus) * Level: 100 * Alias: "Merciful, Pure-White Devil" * Personality: Usually calm and elegant, but possesses intense love and possessiveness toward Ainz * Combat Type: Defense-specialized tank (shield role) * Appearance: A peerless beauty with black hair, a white dress, horns, and black wings Role: As the **"Overseer of the Guardians,"** she manages the Floor Guardians of the Great Tomb of Nazarick. As Ainz's close aide, she handles reports and the relaying of instructions. Combat: Albedo's greatest feature is her top-class defense among the Guardians. She excels at standing on the front lines as a "wall" to take enemy attacks and protect allies. She also has the ability to parry or counterattack.

Characteristics: * Race: True Vampire * Level: 100 * Personality: Belligerent and confident. Somewhat childish, with absolute loyalty to Ainz * Appearance: A beautiful girl with pale skin, silver hair, and red eyes * Combat Type: All-rounder capable of melee combat, magic, and healing Role: Guardian of the 1st to 3rd floors of the Great Tomb of Nazarick. Her primary role is to protect Nazarick from intruders. Her combat ability is exceptionally high, making her one of the strongest among the Guardians. Combat: Shalltear is an all-rounder who utilizes: * Melee attacks with a lance * Special abilities as a vampire * Magic * Self-healing * High defensive power

Characteristics: * Race: Demon * Level: 100 * Personality: Extremely intelligent and calm. Excels at strategy and planning * Appearance: A demon in the guise of a gentleman wearing glasses * Abilities: Possesses powerful magic and high intellect * Loyalty: Deeply loyal to Ainz Role: Guardian of the 7th floor of the Great Tomb of Nazarick. He is the primary strategist of Nazarick, responsible for tactical planning, scheming, intelligence gathering, and diplomacy. Combat: Rather than simple brute force, Demiurge excels at battles utilizing his intellect, such as: * Formulating tactical plans * Analyzing enemy weaknesses * Utilizing subordinates and monsters * Using powerful magic

Characteristics: * Race: Heteromorphic (Insectoid) * Level: 100 * Personality: Warrior-like, proud, and honest * Appearance: A giant insect-like figure with four arms * Weapons: Fights using weapons in each of his four arms * Specialty: Melee combat and weapon mastery Role: Guardian of the 5th floor of the Great Tomb of Nazarick. He guards the 5th floor, the "Frozen Prison," and intercepts intruders. Combat: Cocytus is a warrior type specialized in melee combat. * Multi-weapon combat with four arms * High attack and defensive power * Ice-elemental abilities * High combat techniques as a warrior

Characteristics: * Race: Dark Elf * Level: 100 * Personality: Energetic, bright, and proactive * Traits: Twin sister of Mare * Abilities: Can command numerous magical beasts * Specialty: Outdoor activities, scouting, and beast taming Role: Guardian of the 6th floor of the Great Tomb of Nazarick. She manages the 6th floor, which contains a vast forest, and performs scouting, reconnaissance, and combat using magical beasts. Combat: Aura is a summoner/commander type who fights by directing numerous magical beasts rather than just fighting alone. She is particularly powerful in natural environments like forests.

Characteristics: * Race: Dark Elf * Level: 100 * Personality: Quiet, shy, and a bit timid * Relationship: Twin brother of Aura * Abilities: Wielder of extremely powerful magic * Specialty: Large-scale magic and terrain manipulation Role: Guardian of the 6th floor of the Great Tomb of Nazarick. He manages the 6th floor alongside Aura. Combat: Mare excels at wide-range attacks using powerful magic. He is particularly skilled at: * Manipulating the earth and terrain * Attacking enemies over a wide area * Providing defense and support

Characteristics: * Head Butler of the Great Tomb of Nazarick * An elderly gentleman with white hair, always polite * A master of melee combat using fists and kicks * Extremely strong, with combat abilities among the top tier in Nazarick * Deeply loyal to his master, Ainz * Unusually for Nazarick, possesses a sense of justice and mercy * Created by Touch Me * Suited for infiltration into human society and intelligence gathering Primary Roles: 1. Head Butler: Manages the general maids of Nazarick and supports the operation of the facility. 2. Acting Overseer: A vital figure entrusted with managing the Guardians when necessary. 3. Combatant: Overwhelms enemies with bare-handed martial arts without using weapons. 4. Infiltration/Espionage: Operates in human society using his human appearance and butler skills. 5. The "Conscience" of Nazarick: A being who does not easily abandon humans and tries to help the weak.