The World Championship Finals are finally here and Kai insists on Beybattling first, hoping his knowledge of the Demolition Boys will give him an advantage over Spencer. But in the first set, Seaborg, Spencer's whale Bit Beast, uses the water in the Black Sea Bowl to create a tsunami, which overwhelms Dranzer. Kai is desperate for victory and Voltaire makes him a tempting offer: the power of Black Dranzer in exchange for betraying his friends and stealing their Bit Beasts. Kai stays true to his heart and resists his grandfather.