rule 34 ambiguous gender anthro cel shading cervid colored line art countershade torso countershading crossed arms death digestion digestion noises dote oatdote dragon duo fatal feral fur grey body grey fur larger pred living tail lying mammal melting monotone background oatdote on front onomatopoeia pivoted ears purple body purple scales reptile scales scalie shaded simple background snake snake tail sound effects suprise goo sona text unusual anatomy unusual tail vore wingless dragon 5686093