Gowasu and Shin arrive from the past using Time Rings to confront their former apprentice, Zamasu, only to be shocked by the extent of his "Zero Mortals Plan". Major Battles
Trunks briefly fights both villains alone before the reinforcements arrive. Essential Trivia Dragon Ball Super Episode 63
Goku keeps the immortal Zamasu occupied while Vegeta focuses on Black. Gowasu and Shin arrive from the past using
Goku brings the Mafūba (Evil Containment Wave) jar to seal Zamasu, but the time machine and the jar are damaged shortly after their arrival. Bulma task Trunks with repairing the jar using super glue. Goku brings the Mafūba (Evil Containment Wave) jar
After training in the Hyperbolic Time Chamber—and destroying it in the process—Vegeta returns to the future significantly stronger. He dominates Goku Black in combat, explaining that a "fake" can never master the power of Saiyan cells like the true Prince of Saiyans.
A one-sided beatdown where Vegeta demonstrates his superior power after training.
Before Goku and Vegeta arrive, Future Trunks and Mai attempt to take down the villains themselves. Mai tries to assassinate Black with a specialized bullet, and Trunks holds them off until help arrives, sustaining critical injuries.