Improved Spontaneous Rejuvenation (3.5e Feat)
From D&D Wiki
Improved Spontaneous Rejuvenation [Wild Feat]
Your abilities to influence the replenishing aspect of life has placed you as a prominent healer amongst your peers.
Prerequisite: 3rd level Druid, must have the Spontaneous Rejuvination class feature (PHB2 p.39)
Benefit: The fast healing amount granted by Spontaneous Rejuvenation is now equal to the spell level used + your Wisdom modifier for 3 rounds.
Normal: Without this feat, your Spontaneous Rejuvenation ability is fast healing 3 for 3 rounds.