Vashari

A chaotic evil barbarian who lives for the battle. In one of her battle, she fought a werebear but in the battle the curse of the werebear was placed on to her. Now on every full moon, she turns into a werebear.

2 things to take note:

1. lycanthropes not born from birth will turn every full moon and will take the natural default alignement in a mindless rampage.

2. werebears are Lawful Good by default

so basically, every full moon she turns from Bloodthirsty Bad Barbarian to Good Guy Bear