The Stonebreaker (hammer)

is a unique Hammer dropped by Mahr Stonebreaker in Arborstone (explorable).

Weapon Stats
Hammer
 * Blunt damage: 19-35 (req. 9 Hammer Mastery)
 * Damage +15%
 * Energy -5
 * Lengthens Weakness duration on foes by 33%
 * Health +30

Collector / Weaponsmith counterpart
This weapon's stats can be fully duplicated with: Combined with:
 * A Bludgeoner from Gertrud in Vasburg Armory or from Telamon in Leviathan Pits
 * A Barrel Hammer from Shausha in the Command Post
 * A Hammer from any weaponsmith in Eye of the North
 * A perfect "Brawn over Brains" inscription
 * A Heavy Hammer Haft
 * A perfect Hammer Grip of Fortitude

There is no collector counterpart for this weapon.