Roots and vines reach up from the earth to clutch at any creature nearby. As the plants slow enemies, your fangs and claws gain savage power against those foes.

Daily   ✦     Implement, Primal, Zone
Standard Action      Area burst 2 within 10

Target: Each creature in the burst

Attack: Wisdom vs. Reflex

Hit: 1d6 + Wisdom modifier damage, and the target is immobilized (save ends).

Effect: The burst creates a zone of grasping roots and vines that lasts until the end of the encounter. Any enemy that starts its turn within the zone is slowed until the end of your next turn. While you are in beast form, your melee attacks against enemies within the zone can score critical hits on rolls of 18–20.

Published in Player's Handbook 2, page(s) 89.