Newly introduced kin are marked with a ★.
〇 Fafnir
- Existence Strength: S+
- Race: Dragon god
- Affinity: Unknown
- Guardian Floor: Floor 350
- Description: A golden divine dragon and Kai's very first kin. While possessing the appearance of a young girl in her early teens, her mentality is just as childlike. She displays withdrawal symptoms whenever her master is away.
〇 Astaroth:
- Existence Strength: S+
- Race: Demon god
- Affinity: Evil
- Guardian Floor: Bottom floor
- Description: The final boss (lol) of Gods' Ordeal. A chickenhearted demon god who surrendered to Kai without a fight and became his kin. His strength is considerable... presumably.
★ Beelzebub:
- Existence Strength: S+
- Race: Demon god
- Affinity: Evil
- Guardian Floor: Floor 950
- Description: The final floor boss of Gods' Ordeal. The worst embodiment of malice, prompting Kai to remark that no one could possibly be more wicked. He has the appearance of a fly and an oblivious, whimsical nature. In terms of pure strength, he stands at the pinnacle among all kin.
〇 Girimehkala
- Existence Strength: A+
- Before compendium capture: C
- Race: Evil god
- Affinity: Darkness and Ruin
- Guardian Floor: Floor 400
- Description: A former subordinate of the evil chief god Mara. After being defeated by Kai and undergoing rehabilitation, he came to view Kai as the object of his faith, transforming into a total fanatic.
〇 Nemea
- Existence Strength: A+
- Before compendium capture: B
- Race: Beast god
- Affinity: Physical Might and Tempered Steel
- Guardian Floor: Floor 600
- Description: A warrior through and through. He possessed a battle-crazed disposition, but following his defeat by Kai, he became a loyal retainer.
〇 Phoenix
- Existence Strength: A
- Before compendium capture: B+
- Race: Divine bird
- Affinity: Wind, Fire, and Regeneration
- Guardian Floor: Floor 700
- Description: Governs regeneration, but after being slain over and over by Kai, he ascended into the afterlife. He has since become a resident of the Subjugation Compendium.
〇 Healing Slime (Colony)
- Existence Strength: C
- Before compendium capture: G-
- Race: Healing Slime
- Affinity: Ultra-High-Speed Repair
- Guardian Floor: Floor 750
- Description: Floor boss of Floor 750. Rescued by Kai while trapped inside a giant salamander. While their existence strength itself is negligible, their healing capability ranks number one among all kin. They adore Kai!
〇 Fenrir
- Existence Strength: S-
- Before compendium capture: A-
- Race: God of destruction
- Affinity: Ruination
- Guardian Floor: Floor 800
- Description: Originally an embodiment of destruction possessing top-tier existence strength. However, due to his fickle, moody temperament, he was assigned to Floor 800 purely for personality reasons. In practice, his adorable appearance inspired zero will to fight; Kai won him over with food, turning him into a resident of the Subjugation Compendium.
〇 Nine-Tails
- Existence Strength: A+
- Before compendium capture: A
- Race: Ayakashi god
- Affinity: Fire, Water, Wind, Earth, Lightning, Ice, Light, Darkness, Ayakashi
- Guardian Floor: Floor 900
- Description: A deity of the ayakashi who, after being won over by Kai, affectionately reveres him as her master and husband. Despite her mature outward appearance, she has a childlike mentality.
〇 Shuten-douji
- Existence Strength: A
- Before compendium capture: B
- Race: Fierce god
- Affinity: Alcohol and Fury
- Guardian Floor:?
- Description: A fierce god who loves his drink. He will even brew alcohol for you!
★ Ladon
- Existence Strength: A+
- Before compendium capture: B
- Race: Dragon god
- Affinity: Fire, Water, Wind, Earth, Lightning, Ice, Holy, Might
- Guardian Floor:?
- Description: A seven-headed golden dragon. He fights like cats and dogs with Girimehkala. Deeply adores Faf.
〇 Norn
- Existence Strength: A
- Before compendium capture: C
- Race: Goddess
- Affinity: Time
- Guardian Floor:?
- Description: A young girl who manipulates time. Her thought processes are very childish.
〇 Grasshopper Man
- Existence Strength: G
- Before compendium capture: H
- Race: Insect warrior
- Affinity: Carapace
- Guardian Floor: None
- Description: Small-fry monsters found on the first floor. Having become residents of the compendium through Kai, they train day in and day out to make themselves useful to him.
★ Satori:
- Existence Strength: E
- Before compendium capture: F
- Race: Spirit
- Affinity: Mental Dominator
- Guardian Floor: None
- Description: Possesses the weakest combat capability in the Subjugation Compendium. However, she wields top-tier mind-control abilities within the compendium, making her existence strength comparatively high.