You drop your guard and put all your strength into a devastating overhead swing.

Encounter   ✦     Primal, Weapon
Standard Action      Melee weapon

Target: One creature

Attack: Strength vs. AC

Hit: 3[W] + Strength modifier damage.

  Rageblood Vigor: The attack deals extra damage equal to your Constitution modifier.

Effect: Until the start of your next turn, any attacker gains a +4 bonus to attack rolls against you.

Published in Player's Handbook 2, page(s) 51.