Thruster

This weapon produces controlled bursts of forceful energy, which you can direct toward enhancing your athletic exploits. As part of the action you use to fly, jump, or perform the bull rush combat maneuver, you can expend ammunition or charges equal to the weapon’s usage to boost that action. When used to fly, this burst grants you a +2 enhancement bonus to one Acrobatics check made to fly that round. When used to jump, this burst grants you an enhancement bonus to that Athletics check equal to the weapon’s item level. When used to perform a bull rush, this burst grants you a +2 bonus to your attack roll.