Your shield sprouts vines that grab at your enemy.

Daily   ✦     Primal
Immediate Interrupt      Personal

Requirement: You must be wielding a shield.

Trigger: You are hit with a melee attack.

Target: The triggering creature

Effect: You gain a +4 bonus to the defense targeted by the triggering attack until the end of your next turn. If the triggering attack misses, the target is immobilized until the end of your next turn, or until you move away from the creature, whichever comes first.

Published in Dragon Magazine 379, page(s) 46.