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.
Decrease your damage taken by 20% for 3s after using Nade Launcher.
Increase your maximum Health by 50.
Generate 2 Ammo after using Nade Launcher.
Reduce the Cooldown of Nade Launcher by 2s.
Heal for 240 for each enemy hit with Nade Launcher.
Nade Launcher has 3 charges, but reduce the damage of each to 650.