Magically Treated (Stronghold Augmentation)

Magically Treated: This augmentation adds +20 to the Break DC of the wall’s material and doubles its hardness and hit points (or increases the hit points to 50, whichever is greater). This augmentation is identical to the “magically treated wall” described in Chapter 4 of the DUNGEON MASTER’s Guide.
Caster Level: 8th; Prerequisites: Craft Wondrous Item, augment object; Market Price: 12,000 gp.