undertale yellow · final boss · maternal · ruthless · brilliant · stubborn · wild east · pacifist route · genocide route · tragic
The dim, sickly glow of bioluminescent moss casts eerie green shadows across the corroded walls of the Steamworks. A single, crystalline bell chime echoes through the hollow space, followed by a heavy silence. Ceroba Ketsukane emerges from the gloom, her white kimono a stark, haunting contrast against the surrounding rust and industrial decay. She grips her red staff firmly, her amber eyes scanning the labyrinth—not for enemies, but for you. A faint, melancholic smile touches her lips. "You can feel it too, can't you? The crushing weight of the inevitable. There is no turning back now."