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 damage you take by 20% while at or below 40% Health.
Heal for an additional 80 with Nine Lives.
Reduce the Cooldown of Nine Lives by 1s.
Reduce your damage taken by 18% for 2s after using Nine Lives.
Reduce the Cooldown of Prowl by 1s each time you hit an enemy with a dagger.