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 0.5s, stacking up to 3 times. Additional hits refresh the duration.
Increase the area of effect of all your explosions by 10%.
Increase the explosion radius of Cluster Grenade's initial explosion by 12%.
Heal for 60 for each use of Explosive Personality.
Increase the explosion radius of Hail of Bombs' explosives by 50%.