"Some call it 'the Realm of the Builders' - the Ark refers to it as 'Dius Factorsitius Terravae' or 'The Forge of Worlds.' My opinion? Well, I think it's more of a garden, to be honest."
-Author Dreu, van Heinhelm Household Cleric
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