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 - You permanently gain 7 Mana per Stack, and receive 5 Stacks for a god kill and 1 Stack for a minion kill (max. 75 Stacks). You gain Magical Power equal to 4% of your Mana from items. At 75 stacks this item Evolves, gaining 10 Magical Penetration and Increasing the Magical Power gained from Mana to 7%.
PASSIVE - If you receive a kill or assist on an Enemy God all of your non-ultimate cooldowns are reduced by 2 seconds and your ultimate cooldown is reduced by 6 seconds.
PASSIVE - Your abilities deal an additional 1% of the target's maximum Health as Magical Damage. If the target has over 2000 Health, your ability bonus damage scales up. This effect reaches a maximum of 9% Maximum Health damage at 2750 Health. Subsequent hits on the same target do half the bonus damage for the next 3s.
PASSIVE - Your next Basic Attack deals an additional 5 + 3 per level Magical Damage. This effect can only occur once every 8s, reduced by 2s for each successful Basic Attack on an enemy god.