Rule 34 Dev - armor blue_hair cloud crown cutie_mark duo feathered_wings feathers female feral flying hair headgear helmet horn long_hair multicolored_hair night pillar royalty teal_eyes wings cosmicunicorn friendship_is_magic hasbro my_little_pony mythology nightmare_moon_(mlp) princess_celestia_(mlp) equid equine mammal mythological_creature mythological_equine winged_unicorn 2013|1805190065