¿Who is stronger, Zamasu or Piccolo?

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.

Piccolo is a pivotal character in the "Dragon Ball" series, known for his complex evolution from a formidable antagonist to a steadfast ally. Initially introduced as the reincarnation of the evil King Piccolo, he sought vengeance against Goku for his father's defeat. However, after being bested by Goku in the 23rd World Martial Arts Tournament, Piccolo's trajectory shifted. Recognizing the looming threats to Earth, he reluctantly allied with his former adversaries. A significant turning point in his development was his mentorship of Gohan, Goku's son. This relationship fostered a deep bond, revealing Piccolo's capacity for compassion and selflessness. Throughout the series, Piccolo's abilities are showcased through his exceptional combat skills, strategic acumen, and unique Namekian traits, such as regeneration and powerful energy-based attacks. His journey from villain to hero underscores themes of redemption and personal growth, solidifying his status as a beloved and multifaceted character in the "Dragon Ball" universe.