¿Who is stronger, Stardust or Zamasu?

Stardust is a comic book character created by Marvel Comics and is known to be one of the publisher's most powerful and mysterious characters. He is a cosmic being who has come to Earth to protect it from the threats it faces. Stardust has a number of supernatural powers, including the ability to fly, superhuman strength, the ability to manipulate cosmic energy, and the ability to travel through time and space. He is also immortal and virtually indestructible, making him a formidable foe for any villain who confronts him.

Zamasu is a significant antagonist in the "Dragon Ball Super" series, known for his complex ideology and formidable abilities. Originally a Kai apprentice from Universe 10, Zamasu becomes disillusioned with mortals, leading him to enact the "Zero Mortals Plan" to eradicate all mortal life. He collaborates with his future counterpart, resulting in the creation of Goku Black by swapping bodies with Goku. Their fusion through the Potara earrings forms Fused Zamasu, a being of immense power but with a deteriorating body due to the fusion of mortal and immortal entities. Zamasu's abilities include energy projection, flight, and a unique form of immortality. His character explores themes of justice, morality, and the consequences of unchecked power within the "Dragon Ball" universe.