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.
Increase your maximum Health by 250.
Increase the explosion radius of Hail of Bombs' explosives by 30%.
Increase the explosion radius of Cluster Grenade's initial explosion by 6%.
Generate 1 ammo for every -200 explosive damage done.
Increase the area of effect of all your explosions by 10%.