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.
Activating Fire Bomb heals you for 400 over 2s.
Heal for 120 for each enemy hit with Nade Launcher.
Increase your Movement Speed by 5% while Hunter's Mark is active.
Increase your maximum Health by 250.
Reduce the Cooldown of Nade Launcher by 1.5s.
Nade Launcher has 3 charges, but reduce the damage of each to 650.