Stones of power are given to some chosen fighters, who are being trained by a master to defeat the master's darker tendencies of destroying humanity. The fighters do not necessarily get along even as the world heads toward peril.
| Actor | Role |
|---|---|
 Hikaru MidorikawaKash Mizuntani / Hellstinger | Kash Mizuntani / Hellstinger |
 Nobuyuki HiyamaIsato Kaiza / Gowcaizer | Isato Kaiza / Gowcaizer |
 Ryotaro OkiayuKyosuke Shigure | Kyosuke Shigure |
 Ai OrikasaOmni Exist | Omni Exist |
 Hideo IshikawaRyo Asahina | Ryo Asahina |
 Makiko OhmotoKubira | Kubira |
 Show HayamiShizuru Ozaki | Shizuru Ozaki |
 Tomo SakuraiKarin Son | Karin Son |
 Yoshiyuki KonoBall boy (voice) | Ball boy (voice) |
 Yuko NagashimaSuzu Asahina | Suzu Asahina |
 Yumi ToumaShaia Hishizaki | Shaia Hishizaki |