Injury, whether yours or your beast companion's, provokes an instant assault from the beast that leaves your adversary momentarily hobbled.

Daily   ✦     Beast, Martial
Immediate Reaction      Melee beast 1

Trigger: An enemy bloodies you or your beast companion

Target: The triggering enemy

Effect: Before the attack, your beast companion can shift 5 squares.

Attack: Beast's attack bonus vs. AC

Hit: 2[B] + beast's Strength modifier damage, and the target is immobilized (save ends).

Miss: Half damage.

Published in Martial Power, page(s) 47.