4K Arknights: Andreana, Skadi, and Specter HD Wallpaper

Three anime-style portraits of female characters are displayed. The leftmost portrait features a woman with purple hair and goggles, holding a rifle. The middle portrait shows a woman with long white hair wearing a large hat. The rightmost portrait depicts a woman with white hair and red eyes, wearing a hooded garment. Each portrait has a distinct colored background and the character's name and class below.