1girl, arknights, bare_shoulders, black_dress, black_jacket, breasts, cleavage, closed_mouth, cosplay, crossover, dress, holding, holding_polearm, holding_weapon, honkai_(series), honkai_impact_3rd, horns, jacket, kiana_kaslana, kiana_kaslana_(herrscher_of_the_void), long_hair, long_sleeves, looking_at_viewer, nitrouzs, open_clothes, open_jacket, polearm, simple_background, solo, surtr_(arknights), surtr_(arknights)_(cosplay), weapon, white_background, white_hair, yellow_eyes