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.
Reduce the Cooldown of Whirl by 1.5s for each enemy it hits.
Increase your maximum Ammo by 4.
Increase your maximum Health by 200.
Increase the travel distance of Whirl by 24%.
Increase your Movement Speed by 5% for 2s after using Whirl.
Spite deals 20% of its target's maximum Health with each hit.