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 100 for each enemy hit by Broadside.
Heal for 200 every 1s while standing near a Shortcut.
Increase your maximum Ammo by 2.
Reduce the Cooldown of Harpoon by 0.4s for each enemy hit by Broadside.
Heal for 350 for each enemy hit with Harpoon.
Harpoon no longer has a Cooldown, but no longer Slows enemies hit.