This +3 adamantine heavy mace has a +5 enhancement bonus against constructs, and any critical hit dealt to a construct completely destroys it (no saving throw). A critical hit dealt to an outsider deals ×4 damage rather than ×2.

Prerequisites: Craft Magic Arms and Armor, disintegrate.
Cost to Create: 37,500 gp (plus 312 gp for base item), 3000 XP, 75 days.