Power in Chainsaw Man is a Blood Fiend and a Public Safety Devil Hunter who partners with the series' protagonist, Denji. As the current incarnation of the Blood Devil, she possesses blood manipulation abilities, allowing her to form weapons like hammers and spears, heal others with blood, and restore her own health by consuming it. Initially a selfish and chaotic character who views other beings as "trash," Power develops genuine bonds with Denji and their housemate, Aki Hayakawa, forming a found family.