2boys, ace (arknights), arknights, armor, beard, black footwear, black pants, brown hair, day, facial hair, gaikotsurkgk (tatsu), gloves, goggles, gun, hammer, hat, headset, holding, holding gun, holding hammer, holding weapon, male focus, mask, military, multiple boys, outdoors, pants, power lines, scout (arknights), shield, standing, sunglasses, walkie-talkie, weapon