Rule 34 Dev - aged_down ethereal_hair female feral full_moon group horn moon night pseudo_hair wings young 28gooddays badday28 friendship_is_magic hasbro my_little_pony mythology nightmare_moon_(mlp) princess_celestia_(mlp) princess_luna_(mlp) equid equine mammal mythological_creature mythological_equine winged_unicorn 5:3 hi_res|10624670140