Zamasu's Ambition – The Storied Goku Black explains that he is Zamasu from an alternate timeline where he succeeded in killing Gowasu, the Time-Ring allowing him to be unaffected by his past self's death. The other Zamasu then formally introduces himself as the Zamasu of Future Trunks' timeline, whom Black allied himself with as they destroyed the Super Dragon Balls after using them to grant Zamasu indestructibility...