Delay Death

Races of Destiny (RD)Supplementals (3.5)
School
Necromancy
Casting Time
1 standard action
Components
V, S, DF
Range
Touch
Target
One living creature
Duration
1 round/level
Saving Throw
Will negates (harmless)
Spell Resistance
Yes (harmless)

The subject of this powerful spell is unable to die from hit point damage.
While under the protection of this spell, the normal limit of -9 hit points before a character dies is extended without limit.
A condition or spell that destroys enough of the subject’s body to prohibit raise dead (such as a disintegrate effect) still kills the creature, as does death brought about by ability score damage or drain, level drain, or a death effect.
The spell does not prevent the subject from entering the dying state by dropping to -1 hit points.
It merely prevents death as a result of hit point loss.
If the subject has fewer than -9 hit points when the spell’s duration expires, he or she dies instantly.