As Naomi overcomes trials (solving emotional riddles, battling illusions of her failures), she begins to doubt her own sanity. The deeper she goes, the more Illusion manipulates her perception, making her question if her sister truly died—or if she’s been a player all along. Luma hints that the game feeds on self-awareness; to escape, Naomi must confront the root of her trauma (her sister’s sacrifice to save her during a childhood fire).