Visual Design and Hidden AnatomyThe Death Devil takes the form of a young high school student with neck-length, grayish-mountbatten pink hair, several facial moles, and the signature concentric-ringed pink eyes shared by her cosmic siblings. She initially appears wearing a standard Fourth East High School uniform paired with a black Devil Hunter Club cap. Her right ear holds two small green beads, while her left ear features elongated, triangle-tipped dangling earrings. She habitually tilts her head slightly, causing these asymmetry-driven earrings to mimic the uneven balancing plates of a scale.The definitive physical marker of her true nature is a massive, vertical surgical incision slicing directly through the center of her chest and abdomen. This hollowed gash is the permanent, structural scar of a failed suicide attempt. Driven by existential dread, she entirely removed her own vital organs to end her life. However, due to her absolute conceptual immortality as a Primal Fear, she continued to live, moving through the world as an empty, animated corpse.The Fami Persona and Global DeceptionFor the vast majority of Part 2, the Death Devil hid her identity by posing as Fami, the Famine Devil. Under this fabricated persona, she served as the shadow architect behind the Chainsaw Man Church, pulling the strings of global events from the background.She claimed her goal was to starve the War Devil (Yoru) and Asa Mitaka to turn them into compliant pawns. In truth, this was a masterful distraction. Operating under the Fami identity allowed her to walk among humans and manipulate worldwide panic unchallenged. This cleverly shifted the global balance of power to pave the way for her final, overarching objective.Paradoxical Motives and the Universal NarrativeThe core motivation of the Death Devil stands as a profound existential paradox. According to the catastrophic Prophecy of Nostradamus, her eventual descent onto Earth would automatically trigger a world-ending apocalypse, wiping out humanity to usher in an absolute Age of Devils. Surprisingly, she harbored a warped, deep-seated affection for mankind and desperately wanted to prevent her own apocalyptic power from ever destroying them.AttributeProfile DetailsTrue IdentityDeath Devil (The Oldest Horseman / Ultimate Terror)False PersonaFami, the Famine DevilPhysical ScarsFull-length vertical abdominal gash from hollowing out her organsCore ParadoxDeeply loves humanity, yet her mere existence triggers the apocalypseTrue ObjectiveForcing Pochita and Yoru to become strong enough to completely erase herBecause her baseline immortality made conventional self-destruction impossible, she crafted an intricate, high-stakes gambit to force her own death. She commanded cosmic entities like the Falling Devil to unleash widespread havoc, intentionally escalating global terror.This calculated panic was specifically designed to inflate the power of the War Devil and Chainsaw Man. By engineering these massive crises, she aimed to force Pochita and Yoru to become strong enough to defeat her in battle. Her ultimate dream was to be consumed by the Chainsaw Devil, erasing the concept of death from reality forever. This would break her agonizing immortality and save humanity from her prophesied cataclysm.The Climactic Timeline ResetThe Death Devil's chaotic schemes directly brought about the final, reality-bending endgame of the series. Following the destruction of the Chainsaw Man Church and a series of devastating battles, Pochita made a massive sacrifice to break the cyclical curse.This cosmic intervention completely reset the timeline, rewriting reality into a new world where Pochita's original existence was undone. In this new timeline, Denji continues to live a grounded life as a devil hunter, while familiar figures return in entirely new roles. The tragic, complex schemes of the Death Devil were wiped away, leaving the world altered forever.