Rule 34 Dev - 1girl alternate_hairstyle animated animated_gif armor black_background blue_skin breasts colored_sclera colored_skin cowboy_shot energy_spear energy_weapon eyepatch female_focus fins full_armor grey_eyes head_fins heart helmet lipstick long_hair makeup monster_girl one-eyed opiu polearm red_background red_hair simple_background solo spear spoilers standing two-tone_background undertale undyne undyne_the_undying unworn_headwear unworn_helmet weapon yellow_sclera|6901548030