Kokichi Muta / Mechamaru

Kokichi Muta, known publicly as Mechamaru, is a jujutsu sorcerer born with a Heavenly Restriction that gave him immense cursed energy output at the cost of a frail, bedridden body. He controlled his puppet proxy Ultimate Mechamaru from miles away, fighting on the front lines while his real body lay hidden. His five years of stored cursed energy allowed him to challenge even Mahito in a desperate gambit to save his friends.