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 Physical Power equal to 2% of your Maximum Mana.
PASSIVE - For 8 seconds after using an ability, your next basic attack will deal an additional 10% damage. The effect can only occur every 3 seconds.
PASSIVE - Killing or assisting an enemy minion provides you with 1 stack, granting 1% Movement Speed and 4 Magical Power per stack. Stacks last for 10s and stack up to 4 times. Enemy gods provide 4 stacks.