This is our proprietary skill rating calculation. This has nothing to do with official game ranking or MMR.
The purpose is to show player skill levels relative to other players, not estimate MMR.
Hits with Grenade Launcher increase Reload Speed by 5% for 2.5s, stacking up to 3 times. Additional hits refresh the duration.
Heal for 50 for each enemy hit by the initial and secondary explosions of Cluster Grenade.
Increase your maximum Health by 100.
Generate 1 ammo for every -400 explosive damage done.
Increase the area of effect of all your explosions by 2%.