Title: Leader of the Jura Forest / Octagram Race: Ultimate Slime (Viscous Draconic Demon Celestial Body) Appearance: A beautiful youth with blue-silver hair and golden eyes. Personality: Basically gentle and a pacifist, but ruthless toward enemies who harm his friends. Ability: Possesses top-tier cheat abilities in the series, such as analyzing and predating all things.

Title: True Dragon (Storm Dragon) Race: Dragon Kind (Highest-tier spiritual lifeform) Appearance: A boisterous young man with blond hair and a muscular build (originally a giant black dragon). Personality: Haughty and a show-off, but a bit lonely. Ability: A world-class dragon who manipulates vast amounts of magicules on a natural disaster scale.

Title: Rimuru's Second Secretary / Noir (Primordial Black) Race: Demon Peer (Devil Lord) Appearance: An elegant butler with black hair and red and gold streaks. Personality: A cold and gentlemanly demon who fanatically worships Rimuru. Ability: Fathomless, immortal strength that allows for immediate and complete resurrection even if his physical body is destroyed.

Title: Commander-in-Chief of Tempest Race: Fair Oni (Flame Spirit Oni) Appearance: A dignified young warrior with red hair and two horns. Personality: Calm and collected with an eye for the big picture, a reliable older brother figure. Ability: Heat attacks using powerful black flames and genius-level group command capabilities.

Title: Rimuru's First Secretary Race: Fair Oni (Battle Spirit Oni) Appearance: A beautiful woman with long purple hair, a single horn, and a stunning figure. Personality: A reckless, muscle-brained troublemaker who blindly follows Rimuru. Ability: Monstrous strength to easily swing the great sword "Gōrikimaru" and a skill that alters causality. She likes cooking but is terrible at it. Thanks to the "Cook" skill, the taste is delicious, but the appearance looks disgusting.

Title: Holy Princess Race: Fair Oni Appearance: A lovely young girl with pink hair and two small white horns. Personality: A reliable person who supports food, clothing, shelter, and diplomacy; when angry, she is the scariest among the executives. Ability: Master of advanced barrier techniques and holy magic despite being a monster.

Title: Leader of Tempest Shadows Race: Fair Oni (Dark Spirit Oni) Appearance: A cold and handsome young man with blue hair and a single horn. Personality: Never shows emotion and carries out his master's orders ruthlessly and swiftly. Ability: Manipulates shadow clones, spatial movement, and sticky steel threads that can slice at the molecular level.

Title: Rimuru's Guardian Beast Race: Star Lord (Hastur / Divine Beast) Appearance: A giant jet-black wolf with two horns on its forehead. Personality: A spoiled "good boy" who loves Rimuru more than anything. Ability: Controls weather and air currents, annihilating enemy armies with black storms and lightning.

Title: Oldest Demon Lord (Destroyer) Race: Dragonoid Appearance: A petite girl with honey-pink hair in twin tails. Personality: Innocent and selfish, but also possesses the cold intelligence of a Demon Lord. Ability: Overwhelming destructive power that can erase stars, with magicules welling up infinitely through anger.

Title: Oldest Demon Lord / Rouge (Primordial Red) Race: Demon Peer (Devil Lord) *A Primordial Demon awakened as a Demon Lord Appearance: A beautiful young man with an overwhelming aura, glossy red hair, and crimson eyes. Personality: Haughty, but possesses cold intelligence to maintain the world's balance. Ability: The authority to instantly copy an opponent's ability with power exceeding its peak.