1, energy trigger: when the knife is sheathed, it will cause flying effect on monsters around the body; When the knife is delivered, the knife wave is emitted forward.

2. Blade charger: When the knife is sheathed, the productivity is increased once per second. The increase of kinetic energy can increase weapon damage and a little distance. When the knife is drawn, the kinetic energy is reduced.

3. Grip charger: After the knife is sheathed and discharged quickly, a progress bar will be displayed below the sight. Click the E key in time to trigger quick tool withdrawal, and immediately stop the current action.

4. Kinetic energy recycler: When a player is attacked by a mutant in front of the knife, it will trigger a block action to resist this infection.