This was a commissioned work, drawn by the awesome Smutphibian. Check them out! If you use FA, please fave their post over mine~
For those of you who questioned how a tiny little dragon could overpower you... :3
Everest changes form during times of heightened emotion - negative or positive. Whether under duress, or overly excited, you may find your little gelf transforming to suit his newfound abundance of energy~
The evolutions are temporary, of course - the little guy can't keep up such a shape for too long before he finds himself napping blissfully as a whelp. Think of 'em like digivolutions (or mega evolutions?), I suppose, where classic Evvy is in rookie form. Maybe I'll come up with digimon names some time!