You swing with a devastating strike that leaves you and the enemies around you open to attack.

Encounter   ✦     Martial, Weapon
Standard Action      Melee weapon

Target: One creature

Attack: Strength vs. AC

Hit: 3[W] + Strength modifier damage, and you and each enemy adjacent to you takes a -2 penalty to AC until the end of your next turn.

Published in Manual of the Planes, page(s) 141.