Zamasu is an apprentice Supreme Kai from Universe 10 in the “Dragon Ball Super” series. Driven by a deep resentment towards mortals, he wishes to eradicate them and create a utopia for the gods. Zamasu’s plan involves using the Super Dragon Balls to switch bodies with Goku, resulting in the creation of Goku Black. Together, they form a powerful adversary known as Zamasu. Zamasu achieves immortality, making him nearly invincible. The saga unfolds as Zamasu and Goku Black wreak havoc across Future Trunks’ timeline, leading to the creation of Fused Zamasu through Potara Fusion. Despite their overwhelming power, Fused Zamasu is ultimately defeated by the combined efforts of Goku, Vegeta, and Future Trunks. The Omni-King, Zeno, erases the entire timeline to eliminate Zamasu’s threat. The storyline explores themes of divine justice, the consequences of absolute power, and the flaws in Zamasu’s belief system.