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 18% for 2s after using Nine Lives.
Reduce the damage you take by 12% while at or below 40% Health.
Heal for 80 every 1s while Prowl is active.
Reduce your damage taken by 15% while Prowl is active.
Heal for 280 after using Pounce.