Abyss Legends has 11 playable characters. This includes: Mitsuru the abyss child, Qamar the moon knight, Komako the gamer, Blake the forgotten hero, Eclair the sword dancer from Gamerz Chronicles, Crescendo the moon queen, Charlotte the witch, Aidan the phoenix, Sango the pharmacist, Celine the white bird tamer and Yusha the otherworldly hero.

Mitsuru is 17 years old, Qamar is 16 (116 in moon age) years old, Komako is 18 years old, Blake is 22 years old, Eclair is 14 years old, Crescendo is 37 (137 in moon age) years old, Charlotte is 13 years old, Aidan is 40 years old, Sango is 25 years old, Celine is 94 years old and Yusha is 21 years old. Qamar, Crescendo and Celine are the oldest characters in the game because of their age (Qamar and Crescendo are 116 and 137 years old respectfully, and Celine is Peony's daughter who was born when her mother was 20 years old.), while Eclair and Charlotte are the youngest characters of Abyss Legends.