Second out of six reference sheets done for !
There is a reason this hydreigon isn't the usual colours - it's because she's "formed" of sorts with the main character (the mew hybrid) and so they've taken on the colours :3
Nexus: http://www.furaffinity.net/view/6092172/
Human form: http://www.furaffinity.net/view/6340148
Drehiegion: HERE
Lopuny: ---
Vulpix: ---
Victini: ---
Mudkip: ---