acronym for "Darkness in Zero", and escapes to exact revenge on the Organization. In Chain of Memories, DiZ guides Riku through Castle Oblivion under the guise of Xehanort's Heartless. Together with Riku and Naminé, DiZ oversees the restoration of Sora, Donald, and Goofy's memories throughout 358/2 Days, moving them from Castle Oblivion to Twilight Town for safekeeping. When Roxas unwittingly begins absorbing Sora's memories, DiZ orders Riku to retrieve Roxas, whom he places inside a simulation of Twilight Town to eventually merge with Sora. In Kingdom Hearts II, DiZ's plans fall apart when Sora does not function as he wants upon awakening. Realizing the harm he has brought upon Sora and his friends, DiZ becomes remorseful and loses his lust for revenge. Ansem reveals himself to Mickey at the World That Never Was while attempting to digitally encode Xemnas' Kingdom Hearts within a machine. The hearts overload the machine and cause it to self-destruct, with Ansem allowing himself to be engulfed by the blast to atone for his mistakes. In the epilogue of Birth by Sleep, Ansem is revealed to be alive in the realm of darkness, where he relays his intact memories of Sora to Aqua. In Dream Drop Distance, a digital copy of Ansem appears within Sora's heart to present Riku with research data he has hidden regarding Roxas, Xion, and Ventus's hearts. During the events of Kingdom Hearts III, Ansem is brought back to the realm of light by Xehanort's Heartless to locate one of his former test subjects for the Organization before being rescued by Vexen's intervention. Following Xehanort's defeat, Ansem resumes his role as ruler of Radiant Garden. Vanitas is a Keyblade wielder and antagonist who first appears in Birth by Sleep, created by Master Xehanort from darkness extracted from Ventus's heart as part of the man's plan to forge the χ-blade. Vanitas was initially faceless at the time of his creation until Ventus connected his heart to the newborn Sora, considering Sora as a "brother" like Ventus since their connection defined him as a person. Though he aids Xehanort's scheme, Vanitas acted on his own whims to lure Ventus away from home in order to strengthen him into his equal to commence their reunion while attacking him and his friends with the Unversed manifesting from Vanitas's negative emotions. While Vanitas succeeded in merging back into Ventus during their final confrontation at the Keyblade Graveyard,