SRD:Mace of Ruin

Mace of Ruin
This +7 heavy mace ignores the hardness or damage reduction of any object or creature it strikes. Furthermore, the weapon can deal critical hits to objects and constructs as if they were living creatures.

Caster Level: 21st; Prerequisites: Craft Magic Arms and Armor, Craft Epic Magic Arms and Armor, disintegrate; Market Price: 1,000,312 gp; Cost to Create: 500,312 gp + 20,000 XP.