1girl, arknights, arm_strap, bare_shoulders, belt, black_background, black_dress, black_footwear, black_jacket, black_thighhighs, chenmu_sora, chest_strap, closed_mouth, demon_girl, demon_horns, detached_collar, dress, fire, full_body, hair_between_eyes, horns, jacket, long_hair, long_sleeves, looking_at_viewer, molten_rock, off_shoulder, purple_eyes, red_hair, shoes, simple_background, sleeveless, sleeveless_dress, smile, solo, standing, standing_on_one_leg, surtr's_golem_(arknights), surtr_(arknights), sword, thigh_belt, thigh_strap, thighhighs, weapon, wing_collar