Lilly and Sasha: Curse of the Immortals

After Sasha is fooled into placing her hand on an ancient shrine, her twin sister Lilly starts noticing a new darker side to her that she has never seen before. After discovering that Sasha's body is slowly being possessed by the immortal Zahhak, Lilly must furiously try to save her! If she fails, she will have to watch as the infinite power of an immortal lays claim to the world once more in Lilly and Sasha: Curse of the Immortals. Source: The Developer Website.