Cursespewing

Book of Vile Darkness 3.5
By Monte Cook

Every time this weapon deals damage, the target must succeed at a Will saving throw (DC 15) or be affected by a curse that confers a -4 morale penalty on attack rolls, saving throws, skill checks, and ability checks.

Caster Level: 5th; Prerequisites: Craft Magic Arms and Armor, bestow curse; Market Price: +1 bonus.