So, you're actually a polymorph.
At reciancarnation you can do a racial reincarnation as long as you have 41 points spend in this tree.

The tree allows you to focus on morphing into some form, each comes with its own plusses to somethings like spell casting dc (Feary), spell crit chance (?), strikethrough (owlboar), off hand attacks (for having 4 arms), dodge (blinkdog)