Arcane Recitation

From LegendWiki

Arcane Recitation [Skill]

You can call upon a surge of magical energy that makes your spells difficult to resist for a short time.
Prerequisites: Arcana as a trained skill, 6th level
Benefit: Once per [Encounter], as a swift action, you can increase the DCs of all spells, spell-like, and supernatural abilities you activate by 3 for one [Round]. Starting at 12th level, you may use Arcane Recitation twice per [Encounter].