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.
PASSIVE - Enemies hit by your Critical Strikes have 40% reduced healing for 5s.
PASSIVE - Physical Critical Strikes bonus damage taken is decreased by 40%.
PASSIVE - When you take Magical Damage from Abilities your cooldowns are reduced by 3s. This can only occur once every 30s.
PASSIVE - Basic Attacks against an enemy reduce your target's Physical Protection by 7% for 3 seconds (max. 4 Stacks).
PASSIVE - Melee Basic Attacks decreases enemy Physical protections by 7, and increase your physical protection by 5 for 3s (max. 2 Stacks).