Great execution of the semi-transparent textures - makes it very easy to tweak/change the color theme if you want. Lovely presentation with the background too (your artwork?) and that mask asset is super nice + the armor assets + the swords + the tail!
It's looks like this that made me create the CUAManager plugin and now I'm happy I have it. :)
The only hard part is to find some clothing body/chest piece to go along with the rest of the look.