Yamadron + Water Girl → Kairyu-shin

Yamadron + Metal Fish → Metal Dragon

Yamadron + Mech Bass → Metal Dragon

Yamadron + Turu-Purun → Kairyu-shin

Yamadron + Guardian of the Sea → Kairyu-shin

Yamadron + Aqua Snake → Kairyu-shin

Yamadron + 30,000-Year White Turtle → Kairyu-shin

Yamadron + Kappa Avenger → Kairyu-shin

Yamadron + Kanikabuto → Kairyu-shin

Yamadron + Zarigun → Kairyu-shin

Yamadron + Destroyer Golem → Stone D.

Yamadron + Barrel Rock → Stone D.