The blood sword functions as a +2 longsword. [[Summary::On scoring a successful critical hit, the blood sword produces the effects of a vampiric touch spell as cast by a wizard or sorcerer of 5th level in addition to any damage inflicted by the blade.]] The damage inflicted by the vampiric touch is transferred as hit points to the blood sword’s wielder, exactly as per the spell description. Moderate necromancy; CL 6th; Craft Magic Arms and Armor, vampiric touch; Price Cost::20,315 gp; Weight 4 lb.