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.
Gain a 750-Health Shield after dropping to or below 50% Health.
Reduce the Cooldown of Harpoon by 6s.
Enemies hit by Harpoon’s Slow have their Movement Speed reduced by an additional 18%.
Heal for 70 for each enemy hit with Harpoon.
Increase your maximum Ammo by 1.
Harpoon no longer has a Cooldown, but no longer Slows enemies hit.