Dragon Ball Super Episode 66 Here

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 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 Dragon Ball Super Episode 66

The episode introduced a major piece of lore: Potara fusion is only permanent for Supreme Kais . For mortals, the fusion has a one-hour time limit . Future Trunks takes the final stand

Despite his overwhelming power, Vegito Blue's massive energy consumption causes the fusion to fail early, leaving Goku and Vegeta vulnerable. They fuse into Vegito , who immediately transforms