You can convert any spell into an attack.
Prerequisites: Arcane spellcaster, caster level 1th. Base Attack Bonus +2
Benefit: As a swift action, you can sacrifice a prepared spell or unused spell slot of 1th level or higher and increase all your attacks for the round by +1d6 Damage / Spell slot level you sacrificed.
Essentia: You gain +1 to your attacks / Essentia invested for 1 round