You wrap your foe in a psionic net that leaches power from it for your allies.

Daily   ✦     Psionic, Weapon
Standard Action      Melee weapon

Target: One creature

Attack: Charisma vs. AC

Hit: 3[W] + Charisma modifier damage.

Effect: Until the end of the encounter, whenever the target takes damage, you and each ally adjacent to you gain temporary hit points equal to 3 + your Wisdom modifier.

Published in Player's Handbook 3, page(s) 29.