Breath of the Void
One nearby enemy; breath spell
Charisma + Level vs. MD
2d12 x 10 + Charisma negative energy damage, and the target moves down 2d6 points in initiative order, to a minimum of 1.
For the rest of the battle, roll a d20 at the start of each of your turns; on a 16+, you can use breath of the void this turn if you wish.