Rule 34 Dev - black_horn black_knot black_penis black_tongue bodily_fluids claws deanosaior dragon erection feral genital_fluids genitals grey_claws hi_res horn knot looking_at_viewer male male_only membrane_(anatomy) membranous_wings mythological_creature mythological_scalie mythology penis precum red_eyes scalie solo tongue tongue_out wings|12175418104