In the manga, Goku managed to kill Zamasu by combining his strength with Vegeta and performing a joint attack. They also exploited Zamasu's weaknesses to gain the upper hand.
Zamasu was defeated through a combination of powerful attacks and strategic teamwork by the heroes.
Zamasu meets his end in the manga because he underestimates the strength and strategy of Goku and Vegeta. They exploit his weaknesses and deliver the final blow that finishes him off.
Goku's victory over Hit in the manga was the result of his perseverance and the ability to surprise Hit with unexpected moves. Also, his experience in battles played a significant role.
A common theme is power and corruption. Since both characters are power - hungry in different ways, many fanfictions explore how their thirst for power corrupts them further. For example, they might go on a rampage across different universes to gain more power.
You could combine the powers of Zamasu and Goku Black into a new hybrid - like character. This character could have Zamasu's godly essence and Goku Black's Saiyan fighting abilities. For example, they might be able to use ki blasts with a divine touch that not only damages physically but also weakens the spirit of the opponent.
A common theme is power - seeking. They are often depicted as constantly striving for more power and ruling over the universe. Another theme is their unique bond, whether it's a friendship or a more sinister partnership.
Goku is one of the strongest characters in the manga universe. He has insane strength, speed, and energy projection abilities. His determination and training have made him a force to be reckoned with.
Goku's age varies throughout the manga depending on the specific story arc. But at the start, he's a child and grows older as the story progresses.
Goku's strength in the manga is off the charts! He can defeat powerful enemies with his various techniques and transformations. His power level keeps increasing through intense training and battles.
Generally, Goku still holds the edge over Vegeta. Their power levels fluctuate, but Goku often achieves higher peaks of strength and unlocks more powerful forms first.