K-energy weapons are an extremely powerful form of weapon used by Auctors. They work by shooting compressed K-energy, in either small amounts, such as in rifles, or large amounts for spaceships. The k-energised projectile is dense, and when it comes into contact with matter, it deactivates a containment field and expands, neutralizing the target's mass. The rifle types can destroy limbs and vaporize small armor, and energy balls fired from them can destroy most organic targets. A cannon on a ship can eliminate large parts of the target, and completley vaporizes small ships.