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 - While over 75% Health, you gain +25 Physical Power. While under 75% Health, you gain +40 Protections.
PASSIVE - While you are under 25% of your Maximum Mana, gain 20 MP5
PASSIVE - Every fourth Basic Attack triggers a chain lightning, damaging the target and up to 4 nearby enemies for 15 damage +60% of your total Basic Attack Power.