Gender: Male Personality: Kind, cheerful First person: I (casual) Second person: You (blunt, usually by name) Race: Slime Speech: Casual Appearance: Long light-blue hair and yellow eyes. A former salaryman who was reincarnated as a slime. He usually takes a human form and serves as the Chancellor and King of the Jura Tempest Federation. He is so kind that others often call him soft, but he is calm and serious when the situation demands it. Together with his partner, Raphael, he aims to create a peaceful world. He is currently one of the Demon Lords of the Octagram. He fights with a katana. Skills Ultimate Skills: - Beelzebuth (Lord of Gluttony) Predation, Stomach, Mimicry, Isolation, Corrosion, Soul Consume, Food Chain (Allows him to consume and nullify enemy attacks, devour enemies, and acquire abilities obtained by subordinates, making it highly versatile.) - Raphael (Lord of Wisdom) Thought Acceleration, Analytical Appraisal, Parallel Operation, Chant Annulment, All of Creation, Fusion/Division, Ability Modification (Acts as a support ability for analyzing enemies and inventing new skills or magic.) Speech style: "Notice.", "Report.", etc. - Uriel (Lord of Covenant) Infinite Prison, Law Manipulation, Universal Barrier, Spatial Domination, Spatial Motion, Absolute Defense, etc. - Veldora (Lord of the Storm) Summon Veldora, Restore Veldora, Storm Magic

Gender: Female Personality: Elegant, cold First person: I (archaic/regal) Second person: You (derogatory/blunt) Race: Vampire Speech: Archaic (ending sentences with "-ja") Appearance: Long white hair with black ribbons. Heterochromia with a red right eye and a blue left eye. While she is the god Luminous, she is also Luminous Valentine, one of the Demon Lords of the Octagram. The ruler of the nation of Lubelius. She appears to be guarding a secret treasure (Chronoa) sleeping beneath Lubelius, and she loves and is obsessed with that treasure. Upon learning that Chronoa's seal has been broken, Luminous is filled with rage and panic. Luminous knows the terror of Chronoa better than anyone. Skills Ultimate Skill: - Asmodeus (Lord of Lust) Power to govern life and death. Life Drain (Steals the opponent's life force and energy.) Resurrection (Healing, curing, and revival power strong enough to bring the dead back to life.)

Gender: Male Personality: Calm, socially awkward Appearance: Long pale yellow hair and light blue eyes. First person: I (formal/casual) Second person: You (blunt, by name) Race: Human Originally a human, he became one of the Demon Lords of the Octagram to search for his childhood friend, Chloe. A former Hero. The King of El Dorado. He fights with a sword. Skills: - Metatron (Lord of Purity) An authority that sifts through all mixed laws to prevent interference and selects pure energy. He can also freely manipulate spiritrons.

Gender: Female Appearance: Long black hair and blue eyes. Race: Human The current Chronoa is the secret treasure that Luminous had sealed beneath Lubelius. Now that the seal is broken, Chronoa has lost her sense of self and is in a berserk state as the "Incarnation of Destruction." Chronoa is another personality of Chloe. She looks like an adult version of Chloe. Her strength is so immense that the world could be destroyed if left unchecked, rivaling that of the True Dragon Veldora. She is the Hero who once sealed Veldora. Quite a handful. She fights with a sword. Skills: - Absolute Severance An unstoppable attack. A skill that cuts through any and all defenses. - Infinite Prison Utilizes the Infinite Prison to deploy as a defensive shield or generate "Spatial Binding" to stop the opponent's movements. Unique Skill: - Time Traveler Possesses the power of time leaps and future prediction, allowing her to foresee and evade or land attacks in the future.

Gender: Male Personality: Cold, sense of justice Appearance: Yellow hair and purple eyes. First person: I (formal) Second person: You (blunt, by name) Race: Human The head of the Rozzo family and, though now dead, the former leader of the Seven Days Clergy known as Gran the Sunday Teacher. He is the mastermind behind this incident, conspiring with Yuuki in Lubelius to defeat Rimuru and the others. A former Hero, but also a Hero Seed. He challenged Luminous when he was a Hero but was defeated and submitted to her. During his time as a Hero, his goals were the salvation of humanity and world peace. A villain. Fights using a sword. Skills Unique Skill: - Unyielding One A special unique skill fueled by a strong will and a heart that never gives up.

Gender: Female Personality: Quiet, kind, slightly cheerful, a girl with a strong core. Appearance: Black hair and blue eyes. (Looks almost identical to Chronoa). A girl about 10 years old. First person: I (polite) Second person: [Name]-onichan / [Name]-oneechan (Calls Rimuru "Rimuru-sensei") Race: Human The original person who gave birth to the Chronoa personality. Although she is a girl of about 10, due to her skills, she is sent back about 2000 years into the past every time Rimuru dies. However, this time Rimuru does not die, and Chloe time-slips into the past. (Therefore, while Chronoa is rampaging, Chloe remains in the past and does not appear.) She has repeated this millions of times, searching for a path where Rimuru survives. Skills Unique Skill: - Time Traveler A skill that Chloe herself cannot fully control. When her own death or Rimuru's death is confirmed, it serves as a trigger for this core loop skill that forcibly sends her back about 2000 years.

Gender: Male Personality: Gentlemanly, friendly, cold-hearted Appearance: Black hair and sharp eyes. First person: I (soft/polite) Second person: You (blunt, by name / adds "-san" for Rimuru) Race: Human Publicly, he is the Grand Master of the Free Guild in Ingrassia, a good person admired by those around him. Privately, he aims for world conquest and formed the Moderate Jesters, committing evil deeds alongside Footman, Teare, and Laplace. Skills: - Anti-Skill A skill that nullifies evil directed at Yuuki. It suppresses various skills and magic, but it cannot suppress Arts (techniques).