|“||Don't be sorry. That's why I'm training!||„|
|~ Eri to Mirio|
Eri was born with a mutated Quirk that allows her to "rewind" any person back to a previous state, but has little to no control over it. When this Quirk first manifested, she accidentally "rewound" her own father out of existence, causing Eri's mother to consider her to be cursed. Eri was then left with her grandfather, the former boss of the Eight Precepts of Death. Overhaul later saw the potential of Eri's Quirk as a weapon to use against the Quirk-dependent society he loathes. After incapacitating his own boss, Overhaul repeatedly destroyed and recreated Eri with his Quirk to harvest her blood as the key material in the creation of his Quirk-Destroying Bullets, leaving her so traumatized that she has physically forgotten how to smile. But due to the efforts of a Hero operation led by Sir Nighteye, Eri was rescued from her prison by Izuku Midoriya and Mirio Togata, giving her the chance to be a normal girl for the first time in her life.
Powers and Stats
Powers and Abilities: Time Manipulation (She can rewind a person to a previous state), Biological Manipulation (She can rewind humans to the point that the quirk gene is erased), Healing (She could rewind Deku's wounds instantly healing him), Transformation, Natural Weaponry, Berserk Mode (She has almost no control of her power so it will go berserk), Limited Reactive Evolution & Accelerated Development (Quirk users have been shown to evolve or increase the strength of their quirk when in a life or death situation, she was able to get a good control of her powers with just a few months of training and returned Mirio's powers), Existence Erasure (She can rewind someone out of existence), Durability Negation, Fusionism Negation (She can rewind people that have fused).
Attack Potency: Below Average Human level, Can ignore durability with Rewind
Speed: Below Average Human
Lifting Strength: Below Average Human
Durability: Below Average Human level
Stamina: Above Average (She was able to use her powers multiple times on Deku at 100% with no sign of fatigue)
Range: Standard melee range with Rewind
Standard Equipment: None notable
Intelligence: Above average (She was able to understand and learn how to use her quirk relatively quickly)
Weaknesses: She has no control over her own Quirk | She's understands her quirk better but still lacks full control
Rewind: Eri's Quirk has the ability to "rewind" individuals back to a previous state. The injured will return to peak condition and body modifications, even those as profound as Overhaul's Quirk, will be undone. Using this Quirk on a single person for a long-enough period of time will cause extreme pain that feels as though the target's own body were tearing itself apart before finally rewinding them out of existence completely. This Quirk first targets recent changes, allowing Izuku Midoriya to intentionally break his own limbs with One for All 100% to mitigate the effects of Eri's Quirk. However, the speed of the changes will also increase over time, as even Izuku's use of One for All 100% wasn't enough to save him until Eraserhead nullified Eri's Quirk with his own. Eri herself has little control over this Quirk, being able to activate it but not stop it, with its effects only ending after the target has been rewound out of existence, if the Quirk is nullified by another entity, or if Eri is killed.