Vines and roots erupt from the ground around nearby creatures.

Encounter   ✦     Implement, Primal
Standard Action      Area burst 1 within 10 squares

Target: Each creature in the burst

Attack: Wisdom vs. Reflex

Hit: 1d8 + Wisdom modifier damage, and each square adjacent to the target becomes difficult terrain until the end of your next turn.

Published in Player's Handbook 2, page(s) 85.