Benefit: This heavy, reinforced helmet can be used to make melee attacks. The wearer may use the helmet when attempting bull rush maneuvers, granting a +2 circumstance bonus on the check, but after completing the maneuver (whether successful or not), the wearer is staggered until the end of his next turn.
In addition, a dwarven boulder helmet grants a +2 circumstance bonus to the wearer's AC against critical hit confirmation rolls. A dwarven boulder helmet can be enchanted as a weapon (not as armor, despite providing some protection).
A dwarven boulder helmet adds 20% to the wearer's arcane spell failure chance. It occupies the head slot and is made of metal, not stone, meaning that it can be crafted from unusual materials as a metal weapon.