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From Pathfinder Impossible Magic, which isn't enabled.

Dismantle Spell

FEAT 6
Archetype Spellshifter

Your innate power can shut down other magic. You gain the Dismantle Spell spellshift.

Spellshift—Dismantle Spell You attempt to counteract a spell or at least suppress its effect for a time.

Critical Success The spell is counteracted if its rank is no more than 1 higher than half your level rounded up.

Success The effects of the spell are suppressed until the start of your next turn. If the spell has a duration that is measured in rounds, its duration is extended by 1 round. If the spell does not have a duration, it targets the same creature or area as though it had just been cast at the start of your next turn.

Pathfinder Impossible MagicORC