Dratini continually molts and sloughs off its old skin. It does so because the life energy within its body steadily builds to reach uncontrollable levels.
Eee! What did you use for the headfins? A wettened pencil eyeliner? I only recently started exploring the wonders of bold eyemakeup and your creativity is so inspiring. ^^
I hope I can do all of them! I don't think I'm going to do them in order though because trucking through the ones in the 150 I didn't really like was such a pain! XD