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 20% Lifesteal while at or below 40% Health.
Gain 10% Lifesteal while Overcharge is active.
Increase your Movement Speed by 40% while Rune of Travel is active.
Increase the duration of Rune of Travel by 4s.
Increase your maximum Health by 100
Rune of Travel no longer automatically activates, and if the Rune is not used the Cooldown is reset.