yui (niikyouzou), patriot (arknights), wendigo, arknights, official art, third-party source, 1boy, animal skull, antlers, armband, armor, boots, claws, covered face, deer antlers, deer skull, electric fan, full armor, full body, holding, holding polearm, holding shield, holding weapon, horns, mask, polearm, red eyes, reunion logo (arknights), shield, shoulder armor, skull mask, skull on head, standing, torn clothes, tree horns, weapon