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 3 Ammo for each enemy hit by Broadside.
Heal for 100 for each enemy hit by Broadside.
Gain a 450-Health Shield after dropping to or below 50% Health.
Heal for 350 for each enemy hit with Harpoon.
Increase your maximum Health by 100.
Harpoon no longer has a Cooldown, but no longer Slows enemies hit.