This spell does not have a direct equivalent in vanilla.
Regenerate Critical Wounds
Duration: 1 turn + 2 rounds/level
Casting Time: 4
Area of Effect: 1 creature
Saving Throw: None
This spell enables the caster to imbue a creature with the ability to regenerate. The creature affected will regain 4 hit points per round (up to a maximum of 120 hit points within 3 turns at level 10). The effect lasts for the duration of the spell or until dispelled. Multiple castings of this spell are not cumulative.