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.
Each Soul Fragment gathered Heals you for 45.
Increase your Reload Speed by 21%.
Increase your maximum Health by 750.
Reduce the Cooldown of Ignition by 1.2s.
Heal for 300 for each champion hit by Juggernaut.
Reduce your damage taken by 40% while using Juggernaut.