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PFS StandardKeep Stone WeaponItem 18+

Legacy Content

Rare 
Source Highhelm pg. 113
Usage varies by weapon; Bulk varies by weapon
As a material with defensive properties, keep stone isn't particularly prized for weapons, but it does offer a particular niche. When used with abilities that allow you to use a Strike to counteract spells or magical effects, such as the Sunder Spell feat, the counteract check gains a +2 circumstance bonus. If the counteract check is tied to the Strike's result, add the bonus when calculating your counteract result, but not to the attack roll. Keep stone is treated as adamantine for the purpose of overcoming resistances.

Base Material

Keep Stone

PFS StandardKeep Stone Weapon (High-Grade)Item 18

Source Highhelm pg. 113
Price 22,500 gp (+ 2,250 gp per Bulk)
Craft Requirements The initial raw materials must include at least 11,250 gp of keep stone + 1,125 gp per bulk.