1girl absurdres arknights black_jacket blue_eyes blue_hair blurry blurry_background column commentary_request dark_halo demon_horns detached_wings fur-trimmed_hood fur_trim halo highres holding holding_weapon hood hood_down horns jacket long_hair looking_at_viewer mostima_(arknights) open_clothes open_jacket outdoors pillar ruins sidelocks sketch solo sthk weapon wings