Rewind

Rewind is a Quirk used by Eri. It is the result of an extremely rare mutation, and bears no resemblance to any Quirk on either side of her family's lineage.

Description
Eri's Quirk allows her to rewind humans, as seen when she reverses the fusion of Kai Chisaki and Shin Nemoto. She is even shown to be able to revert people back to a state before they even existed, as seen when she accidentally did this to her father. Its possible for her to revert humans evolutionarily as well, as noted when Chisaki says that "she could probably revert a person to a monkey, if she tried."

Through various testing, the Eight Precepts of Death have been able to utilize the effects of this Quirk to target a person's "Quirk Factor," in order to create Quirk-destroying bullets. .