He is stuck the same color, and it's not to appealing
Pranced was young when he was always in the same mood, shy but fired up
By being in the same mood for so long his scales adapted to being this color, so then one day they froze like it. Scale Freeze
Although shy near new people he is very fired up at the things he cares about, so practically, that's it
Another thing is he has a crush on BAY
He too is 13