Twisting vines
druid attack 1
Target: each creature within the burst
Attack: Wisdom vs. Reflex
Hit: 1d8 + Wisdom modifier damage. Each square adjacent to the target becomes difficult terrain until the end of the user's next turn.
Twisting vines is a 1st-level druid encounter attack power. Each creature within its burst takes damage if hit. In addition, squares adjacent to creatures hit by twisting vines become difficult terrain for a round.[PH2:85]