Rule 34 Dev - 2018 abs alrath anthro balls biceps big_penis black_penis black_skin claws cock_ring corruption dragon fist flexing frill full_length genital_piercing hi_res horn invalid_tag male markings model_sheet muscular muscular_male partially_retracted_foreskin pecs penis penis_piercing piercing pose red_eyes rollwulf simple_background solo spines standing uncut vein white_background|3230177632