SRD:Rapier of Puncturing

Rapier of Puncturing: Three times per day, this +2 wounding rapier allows the wielder to make a touch attack with the weapon that deals 1d6 points of Consitution damage by draining blood. Creatures immune to critical hits are immune to the Consitution damage dealt by this weapon.

Strong necromancy; CL 13th; Craft Magical Arms and Armor, harm; Price 50,320 gp; Cost 25,320 gp + 2,000 XP.