Hindering Song (Feat)

Your performance is so compelling, so magical, that all opposing magics must struggle to compete.

Prerequisites: Level 31, Bardic Performance class feature, Deafening Song, Perform 24 ranks

Benefit: During any round in which you use a Bardic Performance, your performance creates an Aura centered on your space with a 30-foot radius. This aura interferes with all enemies who attempt to use a Spell-like (Sp) or Supernatural (Su) ability. Once activated, this aura persists until the beginning of your next turn.

To successfully use a spell, spell-like ability, or supernatural ability within this area, an enemy creature must make a Caster Check to Concentrate as if they were casting defensively, versus a Challenging skill DC based on your Bard class level. Creatures that fail this check are unable to successfully activate their ability (and waste the action for having attempted it), just as if they had failed a Caster Check to Concentrate to cast defensively.

You can choose to exclude as many creatures as you wish from this effect. Hindering Song is a performance, and requires entering and sustaining the performance stance, just like any other performance.