Upon completion of this spell, the subject is drained 1- 2 levels of experience for every four levels of experience the caster has achieved (up to 1 - 12 negative levels). A saving throw negates the spell entirely, except for one level drained. The effects of the level drain is permanent insofar the subject isn't affected by restoration magic.

If the ray strikes an undead creature, it gives that creature 5 temporary hit points per two caster levels (maximum 25 temporary hit points). Those temporary hit points disappear after 5 turns or until dispelled.