Kai'Sa from League of Legends 4K HD Wallpaper

Kai'Sa, a female warrior with dark hair and purple markings on her face, crouches in a combat stance. She wears dark, armored clothing and has large, dark wings with glowing purple crystals. Her arms are extended, and sharp, crystalline blades protrude from her forearms. The background is dark and rocky, with glowing orange and purple elements.