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 - Physical Critical Strikes bonus damage taken is decreased by 40%.
AURA - ALL enemies within 25 units are dealt 20 (+1.5 Per Level) Magical Damage per second.
AURA - Enemy gods within 55 units have their Magical Protection reduced by 5%.