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 300 over 2s.
Decrease your damage taken by 8% for 3s after using Nade Launcher.
Increase your maximum Health by 200.
Heal for 180 for each enemy hit with Nade Launcher.
Reduce the Cooldown of Nade Launcher by 1.5s.
Fire Bomb deals 30% increased damage and applies a 60% reduce healing effect.