((No, shifting is an unlimited ability. You give up the diversity of wild shape, ability to cast while shapeshifted even with Natural Spell, and the use of an animal companion for it. Swift action, even from one form to another.))

Thoven

Clearly surprised by the orc's actions, Thoven is thrown from the crow's nest in a swift motion of some considerable strength from the orc. As he falls he attempts to change his shape back to that of a bird and catch himself by soaring out over the water to displace his downward momentum.

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Balance, if needed: (1d20+2)[12] No armor check penalty because the armor is absorbed into Thoven's wolf-like body.