Death Ward, Greater (3.5e Spell)
From D&D Wiki
|Level:||Clr 6, Drd 6|
This spell functions as death ward except where noted above. In addition, the target gains fast healing equal to one-fifth the caster's level rounded down (fast healing 1 at 5th-9th levels, fast healing 2 at 10th-14th levels, fast healing 3 at 15th-19th levels, and fast healing 4 at 20th level).
Greater death ward cannot remove negative levels, but such levels are temporarily ignored for the duration of the spell. Once the spell ends, they return in full and the target must immediately make the necessary saving throw after 24 hours if appropriate.