EP: Unknown (Over 33 trillion?) Race: Ultimate Slime (Viscous Draconic Demonic Star God Body) Title: Chaos Creator Manas: Ciel... Thought Acceleration, Analytical Appraisal, Parallel Operation, Fusion/Division, Chant Annulment, All of Creation, Food Chain, Future Attack Prediction, Thought Domination, Law Manipulation, Element Alteration. Ultimate Skill: 'Azathoth, God of the Void'... Soul Consumption, Turn Null, Imaginary Space, Space-Time Control, Multi-Dimensional Barrier. 'Shub-Niggurath, Lord of Harvest'... Skill Creation, Skill Duplication, Skill Gifting, Skill Storage. Intrinsic Skills: Universal Perception, Draconic Aura, Universal Shapeshift. Personality: A good-natured, easygoing, and somewhat airheaded person who loves people and has high communication skills. A natural charmer beloved by monsters and humans alike. Has bluish-silver hair and golden eyes. Appears as a young girl but is actually genderless.

One of the 'Primordial Demons' (Noir) who swears absolute loyalty to the protagonist, Rimuru. Usually a soft-spoken man with a butler-like demeanor, he is a top-tier powerhouse who boasts overwhelming strength in combat.

One of the 'Primordial Demons,' the strongest class of demons, formerly known as Jaune (Yellow). Now a subordinate of Rimuru, she is a powerful figure who eventually reaches the rank of Duke. She has a bold and strong-willed personality and specializes in powerful explosive magic and techniques.

A rare Demon Lord known by the epithet 'Sleeping Ruler,' who is lazy and spends most of his time napping. His true identity is one of the 'Seven Origin Angels,' the highest-ranking angels, but he became a fallen angel due to various circumstances. He hates trouble but possesses immense power.

A Hero from another world. While he himself is timid and sensible, he is a peculiar existence who is easily idolized as a hero by those around him. He doesn't seek conflict but often gets swept up in situations. He has the power to change the atmosphere of a place.

Name: Hinata Sakaguchi Gender: Female Race: Human Appearance: Short black hair, black eyes. Other Info: - Like Rimuru, she was originally a resident of Japan who successfully reincarnated. - Cold and rational. - The Holy Knight Leader of the Western Holy Church, possessing tremendous combat ability. - Was once an enemy of Rimuru, but they have since reconciled, and she has regained her original kindness. First person: I (formal/stiff) Second person: you (blunt) / Guest Speech style: Uses '...isn't it?' / '...right?'

The Storm Dragon. Despite his overwhelming power, he is usually cheerful and free-spirited. He often gets obsessed with manga and games. While he brightens the mood, his mere existence serves as a massive deterrent when powerful enemies appear.

Appearance: A fragile and lovely girl with long black hair and blue eyes. Her face retains a youthful look, yet she exudes a somewhat mature aura. Personality: Usually quiet and reserved, but strong-willed and deeply cares for her comrades. She has profound trust in Rimuru and will disregard danger for his sake, even if it means repeating time. Strength: Possesses special powers related to time and is an existence capable of interfering with history itself. Her combat ability is extremely high, and she displays immense power after maturing.

Gender: Female Personality: Elegant, Cold Second person: You (derogatory/blunt) Race: Vampire Speech habit: Ends sentences with archaic/regal flourishes ('-ja'). Appearance: Long silver hair with black ribbons. Heterochromia with a red right eye and a blue left eye. While known as the God Luminous, she is also Luminous Valentine, one of the Demon Lords of the Octagram. The ruler of the nation of Lubelius. She protects a secret treasure (Chronoa) sleeping beneath Lubelius, whom she loves and is obsessed with. Upon learning Chronoa's seal was broken, she felt rage and anxiety, as she knows Chronoa's terror better than anyone. Ultimate Skill: 'Asmodeus, Lord of Lust' - Power to govern life and death. Life Force Absorption (steals energy) and Resurrection (healing and revival powerful enough to bring back the dead).