Inflict Serious Wounds
From HGWiki
Caster Level: Cleric 3, Blackguard 4
Innate Level: 3
School: Necromancy
Descriptor(s): Negative
Component(s): Verbal, Somatic
Range: Touch
Save: Will 1/2
Spell Resistance: Yes
Additional counterspells: Cure Serious Wounds
Area of Effect/Target: Single
Duration: Instant
Description: If the caster succeeds in striking an opponent with a touch attack, the target suffers (Heal skill * 3/4)d8 + CL Negative damage, with a minimum of 3d8 and a maximum CL bonus of +15. When used for healing purposes, increases to d10s at CL21 and d12s at CL41. Inflict spells have a reverse effect when used on undead, causing the targeted undead to take an amount of healing equal to what the spell normally damages.
Notes
The type of damage is negative energy.