This will be categorized by their main affiliation by age without spoiling the stories.

【Divine Beast】

Avis ▶ the Eternal Phoenix and the first immortal shifter.

† Nagendra ▶ the Sacred-Turtle Snake and have the most promising descendants.

Eider ▶ the Celestial Dragon and have been sealed after he committed a grave sin.

Altrey ▶ the Holy Tiger and had been secluded from worldly affairs.

【Mystic Beasts】

Vali ▶ the Nine-tailed Fox.

【Undying Poison Snake Tribe】

Nagan ▶ a Prime Beast and descendant of Nagendra. The Tribe Leader of the Undying Poison Snake Tribe and the current Chief of Snakes.

Leilani ▶ a human who became a snake and became Nagan's pet.