Brash impulse places you in the attack's path to spare an ally from harm.

Encounter   ✦     Healing, Martial
Immediate Interrupt      Melee touch

Trigger: An attack hits an adjacent ally

Target: The triggering ally

Effect: You and the target switch places. The attack hits you instead, and you or the target can spend a healing surge.

Published in Dragon Magazine 381, page(s) 32.