You strike your foe with a mighty assault that bolsters you against attacks.

Encounter   ✦     Primal, Weapon
Standard Action      Melee weapon

Target: One creature

Attack: Strength vs. AC

Hit: 3[W] + Strength modifier damage, and you gain temporary hit points equal to one-half your level.

  Rageblood Vigor: The number of temporary hit points you gain equals one-half your level + your Constitution modifier.

Published in Player's Handbook 2, page(s) 58.