When at your weakest, you draw renewing strength from the land.

Encounter   ✦     Primal
Minor Action      Personal

Requirement: You must be bloodied or weakened.

Effect: You gain temporary hit points equal to twice your Wisdom modifier. If you are weakened, you can also make a saving throw against as single effect on you that is weakening you.

Published in Player's Handbook 3, page(s) 122.