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 your damage taken by 5% while at or below 40% Health.
Reduce the cooldown of Rune of Travel by 4s.
Increase your Movement Speed by 40% while Rune of Travel is active.
Increase the duration of Overcharge by 0.2s.
Gain 20% Lifesteal while Overcharge is active.
Increase your Ultimate charge rate by 15% and enemies at or below 65% Health are Revealed to you.