Jolt of Lightning
Druid Attack 1
A bolt of lightning streaks down from empty air, crippling your foe with a numbing pulse of power
Ranged 10
Target: One creature
Attack: Wisdom vs. Fortitude
Hit: "1d10 + Wisdom modifier lightning damage, and the target cannot take opportunity actions until the end of your next turn. "Level 21: 2d10 + Wisdom modifier damage." [HotF:77]
Jolt of Lightning is an at-will power available to druids at 1st level.