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 12% for 3s after using Nade Launcher.
Activating Fire Bomb heals you for 200 over 2s.
Increase your Movement Speed by 15% while Hunter's Mark is active.
Increase your maximum Health by 150.
Heal for 240 for each enemy hit with Nade Launcher.
Nade Launcher has 3 charges, but reduce the damage of each to 650.