Elemental Shield is a heroic tier feat.
Prerequisite: Wilden, Nature’s Aspect racial trait
Benefit: Whenever you choose an aspect of nature to manifest, choose a damage type: cold, fire, lightning, or thunder. You gain resist 5 to that damage type for the next attack that hits you and deals that damage type. The resistance increases to 10 at 11th level and 15 at 21st level.[Dr393]