Disjunction

Disjunction [Skill]

The residual energy of your magic-reaving attacks impede the effectiveness of magic items.
Prerequisites: Engineering as a trained skill, ability to use a [Dispelling] effect as an extraordinary, spell-like, or supernatural ability, or as a spell, 12th level
Benefit: Once per [Encounter], as a move action, immediately after using a [Dispelling] effect, you may temporarily weaken the mundane items and magic items of a single creature in [Medium] range or the range of that [Dispelling] effect, whichever is longer. For the next two [Rounds], any bonuses to d20 rolls or to Armor Class granted by this creature's mundane items and magic items are halved.

Special: You may not activate Disjunction and Shout of Doom with the same [Dispelling] effect.