As death looms before you, you push yourself to battle on.

Daily   ✦     Primal
Immediate Interrupt      Personal

Trigger: You drop to 0 hit points or fewer and don't die

Effect: You are dying but don't fall unconscious because of that condition. At the end of your next turn, you fall unconscious if you are still dying.

Sustain Minor: You take 5 damage and don't fall unconscious.

Published in Player's Handbook 2, page(s) 58.