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 1s, stacking up to 3 times. Additional hits refresh the duration.
Reduce the Cooldown of Cluster Grenade by 0.1s for each enemy hit by the initial and secondary explosions.
Increase the explosion radius of Hail of Bombs' explosives by 40%.
Heal for 90 for each use of Explosive Personality.
Increase the area of effect of all your explosions by 10%.