Scathach and Cu Chulainn from Fate/Grand Order HD Wallpaper

Two anime characters are depicted in a split image. On the left, a woman with long, magenta hair and red eyes holds a red spear. She wears a dark outfit and is surrounded by fire and dark rocks. On the right, a man with dark blue hair and red eyes wears a blue armored suit. He is in a dynamic pose with red energy emanating around him.