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 100 over 2s.
Heal for 240 for each enemy hit with Nade Launcher.
Increase your maximum Health by 200.
Heal for 200 after getting a Killing Blow on an enemy affected by Hunter’s Mark.
Decrease your damage taken by 20% for 3s after using Nade Launcher.
Nade Launcher has 3 charges, but reduce the damage of each to 650.