alien flood_(halo) greyscale halo_(series) horror_(theme) looking_to_the_side monochrome monster no_humans shadow sketch white_background witchdoctordb  absurdres alien flood_(halo) halo_(game) highres monster no_humans tentacles themefinland  absurdres alien armor corpse elite_(halo) energy_gun flood_(halo) halo_(game) highres monster no_humans plasma_rifle tentacles themefinland weapon  elite_(halo) energy_sword firefight flood_(halo) gravity_hammer grunt_(halo) gun halo_(game) obomugera odst shotgun surrounded sword weapon  barefoot catysummer flat_chest flood_(halo) green_eyes green_skin halo_(game) midriff monster_girl personification red_eyes simple_background tentacles the_flood