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 5.
Increase the Healing you receive by 5% while at or below 50% Health.
Gain a 150-Health Shield after dropping to or below 50% Health.
Reduce the Cooldown of Harpoon by 1s for each enemy hit by Broadside.
Increase your maximum Health by 150.
Harpoon no longer has a Cooldown, but no longer Slows enemies hit.