Armor increased by 220%.
Stamina increased by 25%.
Immune to Polymorph effects.
Arcane damage taken reduced by 6% and all other magic damage taken reduced by 3%.
Shapeshift into Bear Form, increasing armor by 220% and Stamina by 25%, granting protection from Polymorph effects, and increasing threat generation.
The act of shapeshifting frees you from movement impairing effects.