Tough and resilient, your dedication to the land and all living things has imparted to you a fraction of the earth's durability.

Prerequisite(s): Challenge class feature; Neutral alignment; Knowledge (nature) 5 ranks or Wild Empathy class feature; Con 13

Benefit: You may expend a use of your Challenge ability to heal yourself a number of hit points equal to your cavalier level.

Special: You may only possess 1 Knightly feat.