Fun-fact : originally the animal forms were only intended as a curse / punishment when dieing to a boss; The Dev's were surprised to see that some player actually wanted to play as an animal. After that the Animal forms were gradually further developed.

what specialisation (Cow tanky, Deer tanky, Pig is bard-like support; Spider DPS, bat DPS, wolf(lycan) DPS (more wolfs stack their buffs; more damage)