Blackguards Blade

Book of Vile Darkness 3.5
By Monte Cook

Made of black iron and covered in evil symbols engraved in the blade, this +2 longsword adds +10 damage to the wielder’s smite good ability.

Caster Level: 13th; Prerequisites: Craft Magic Arms and Armor, unholy blight, creator must be evil; Market Price: 9,515 gp;Weight: 4 lb.