Roo is a demon-like spirit with pallid skin that serves as a stark canvas for her long, inky-black hair, which transitions into a fiery red gradient as it flows towards the tips. Her hair possesses an elemental quality, swaying independently as if composed of fire. Her eyes, with their vivid crimson sclera and luminescent white irises, emit an eerie glow. She has obsidian tendrils. She has razor-sharp teeth with hints of dried blood surrounding her mouth, while streaks of dirt mar her limbs