Azure Battle Mandala (3.5e Maneuver)

A trained gunslinger does not aim with his eyes alone, nor with the sights of his gun &mdash; both are unreliable, and can lead him astray. After years of honing their skills, an adept can master the azure battle mandala, a meditation that allows them to envision an intricate ring of blue circles that center around their foe, allowing them to aim and fire with inhuman precision, the only hint of their prowess a light glinting in their eyes.

As part of this maneuver, you make a single ranged attack with a firearm or ray weapon against an opponent with a +20 insight bonus on the attack roll. If the attack hits, it deals an additional 2d6 damage.