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.
Generate 2 Ammo for each enemy hit by Harpoon.
Gain a 450-Health Shield after dropping to or below 50% Health.
Reduce the Cooldown of Harpoon by 2.4s.
Increase your maximum Health by 250.
Heal for 210 for each enemy hit with Harpoon.
Harpoon no longer has a Cooldown, but no longer Slows enemies hit.