Unison Breaker, also known as Union Buster (ユニオンバスター, Yunion Basutā) in Japan, is a Special Move used by Aiger Akabane and his Beyblade, Union Achilles Convert Xtend+ Retsu.
Description[]
Similar to Z Breaker and Turbo Breaker, Achilles, with its Xtend+ Driver set into Attack Mode, uses its height to crash down on the opposing Beyblade, forcing it downward to cause critical damage.