You see an ally in danger and dispatch a waiting ally to help.

Daily   ✦     Psionic, Teleportation
Immediate Reaction      Ranged 10

Trigger: An enemy within 10 squares of you hits an ally with a melee attack

Target: One ally

Effect: The target teleports to an unoccupied square adjacent to the triggering enemy and gains combat advantage against that enemy until the end of the target's next turn.

Published in Psionic Power, page(s) 19.