Pathfinder 1e Feat: Arcane Strike

Arcane Strike

You draw upon your arcane power to enhance your weapons with magical energy.
 Prerequisites: Ability to cast arcane spells
 Benefit: As a swift action, you can imbue your weapons with a fraction of your power. For 1 round, your weapons deal +1 damage and are treated as magic for the purpose of overcoming damage reduction. For every five caster levels you possess, this bonus increases by +1, to a maximum of +5 at 20th level.
 Normal: