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 - You gain additional Magical Power and Lifesteal scaled from missing Health. This caps at 70 power and 10% Lifesteal at 40% Health.
PASSIVE - Your Basic Attacks reduce your target's Magical Protection by 10% for 3s (max 3 Stacks).
PASSIVE - Your Basic Attacks benefit from an additional 20% Physical Penetration.
PASSIVE - On damaging an enemy god with a Basic Attack, gain 2 Physical Pen for 5s, stacks up to 3 times.