Embrittle

Std action, ranged, 1 mana; you reduce the toughness of a targeted object, construct, or piece of armor.

• If the target has DR or Hardness, reduce it by your proficiency bonus + ability modifier.
• If the target is armor or natural armor, reduce its armor bonus by the same amount.
• If the target is an inanimate object with no DR or Hardness, it gains Vulnerability (physical) equal to the same number.