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 - Basic Attacks against an enemy reduce your target's Physical Protection by 7% for 3 seconds (max. 4 Stacks).
PASSIVE - Each successful basic attack applies a hex to enemies and empowers you, increasing your power by 5% and reducing the power of your opponent by 5% for 5s. (Max. 3 Stacks).