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.
Increase your maximum Ammo by 3.
Increase your maximum Health by 150.
Heal for 210 for each enemy hit with Harpoon.
Heal for 200 every 1s while standing near a Shortcut.
Heal for 200 after exiting a Shortcut.
Harpoon no longer has a Cooldown, but no longer Slows enemies hit.