Ep. 12: A Place (Not) for Towa
Having been abducted by Zero and her suffering absorbed by Nanahoshi's miniature galaxy, Towa is forced to recall her troubled childhood memories in the modern era when she was constantly mocked by bullies for her "albino-like" appearance. It is during this ordeal that Zero's motives are revealed. Meanwhile, Sesshoumaru goes to Kohaku and Setsuna sets out to the Sacred Tree of Ages, where she meets the weakened Rin for the first time since the Dream Butterfly was destroyed and started the re-progression the silver-scale curse upon her body quickly. Rin informs Setsuna that cutting the thread of fate will not lift the curse, unless she saves Zero from herself. Riku and Rion witnesses Towa's pure fury and hatred of power. However, this is exactly what Zero has been hoping for. Riku realizes that Zero's way to "survive until the very end" is for Towa to kill her and be tormented by the sin of killing Rin in doing so and tries to hold Towa off but she is too strong. Wanting to send Towa to Hell personally, Zero absorbs all seven of her Rainbow Pearls into her eyes, thus being granted even greater demonic abilities than ever before as a rainbow demonic aura is emitted from her. (Source: Wikipedia)