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 16% for 3s after using Nade Launcher.
Activating Fire Bomb heals you for 200 over 2s.
Reduce the Cooldown of Nade Launcher by 2s.
Reduce the Cooldown of Fire Bomb by 1.2s.
Heal for 180 for each enemy hit with Nade Launcher.
Nade Launcher has 3 charges, but reduce the damage of each to 650.