A delectable chrismas classic - Now with mayhem!
The wide wicked world is a very dangerous place, especially for not-quite so big leeches who wish nothing so much as to be left out of thing such as wars, and wizards, and spells.
When someone befriends an animal, s/he obtains the ability to unite their souls together and take on the form of that animal as well as its abilities. S/he also gain some properties of that animal even when they are no keener t transformed, such as resistence to cold or senses. If s/he really wants to s/he can half transforms taking on characteristics of the animal and their normal form