Amulet of Chislev

Chislev, also known as the Beast, Wild One, and World Mother, represents the godly force of instinct. She believes the soul grows by releasing thought and instinct, and giving in to primal urges. She is the power of the natural world and all things wild.

You have a collar that can be placed on a tamed a beast, exclude constructs undead, etc. (animal handling opposing roll to tame, the higher the beast the more difficult it is to tame). The collar gives the companion beast +3 its ac and  20 extra hp /at level 10 no opposing roll to tame the beast / +5 ac to beast companion and 40 additional hps.