Warning: This is 3.0 Edition material. It is possible that there is more recent 3.5 Edition version.

Regenerate Serious Wounds

(Masters of the Wild: A Guidebook to Barbarians, Druids, and Rangers)

Conjuration (Healing)
Level: Druid 4, Cleric 5,

This spell is the same as regenerate light wounds, except that it grants fast healing at the rate of 3 hit points per round.