You grow an extra limb.

Prerequisites: Plant Type, Photosynthetic Healing

Benefit: You must spend an entire week “rooted” as a tree. Over the duration of that time you are able to grown an extra limb. Your extra limb allows you to wield multiple weapons, but only one hand is considered your primary hand, and all others are off hands. You can also use your hands for other purposes that require free hands.

Special: You may take this feat one additional time, gaining the use of a fourth limb.