Slice appears to be a young woman with fair skin, blue eyes that slant inward, and noticeably full and glossy lips. She also possesses straight, shiny red hair with chin-length bangs that partially obscure her right eye,
Slice allows Kiruka to move, harden and sharpen her own hair. She can use her hair as blades, as well as shoot strands like needles. Kiruka can also use his hair for defensive purposes using it as a shield or to parry attacks, as well as for mobility using large tufts as stilts.