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 50% Lifesteal.
Increase your maximum Health by 300.
Reduce your active Cooldowns by 20% after getting an Elimination.
Increase your maximum Ammo by 1.
Reduce the Cooldown of Siege Shield by 4s.
Increase Siege Shield's maximum Health by 2500 and its size by 50%, but reduce its Movement Speed by 80%.