Realizing that Zamasu's mortal half (Goku Black) is preventing his immortal half from healing properly, Goku and Vegeta decide to use the for a final gambit. They fuse into Vegito , who immediately transforms into Super Saiyan Blue to engage in a high-speed battle with the mutated Zamasu. Key Events & Revelations
The episode picks up with Earth in peril as prepares a world-ending attack. Goku counters with a full-power God Kamehameha , successfully piercing Zamasu's energy ball and causing half of Zamasu's body to become purple and distorted. Dragon Ball Super Episode 66
Future Trunks takes the final stand. Channelling the hopes and energy of the remaining survivors into a "Spirit Bomb-like" energy, he empowers his broken blade and slices Merged Zamasu in half . Realizing that Zamasu's mortal half (Goku Black) is