this cantrip is consumed in casting
When cast with in 90" feet of a corpse ,the caster is granted 2D3 Temporary Hp. Healing spells may not be cast on caster for # of temp HP gained Min. If the corpse in question is undead it gets a fort save or takes same number in damage. Does not work on undead controlled by caster or with more than 5 HD.
EDIT OOPS if undead makes saving throw, spell has no effect, does not effect skeletons