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.
Heal for 210 for each enemy hit with Harpoon.
Generate 2 Ammo for each enemy hit by Harpoon.
Increase your maximum Health by 250.
Heal for 200 every 1s while standing near a Shortcut.
Increase your maximum Ammo by 1.
Harpoon no longer has a Cooldown, but no longer Slows enemies hit.