This spell does not have a direct equivalent in vanilla.
Regeneration
Level: 6
School: Alteration
Sphere: Healing
Range: Touch
Duration: 1 turn + 2 rounds/level
Casting Time: 6
Area of Effect: 1 creature
Saving Throw: None
This powerful spell enables the caster to imbue a creature with the ability to regenerate. This regeneration will heal any wounds and even regenerate lost limbs. The creature affected will regain 1 hit point per second (up to a maximum of 180 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.