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 - Your Basic Attacks deal +25 True Damage and your Abilities deal +35% Damage versus Jungle Monsters. When you kill a Jungle Monster you are restored for 10% of the Monster's Health and 25 Mana. Can be upgraded at level 20.
PASSIVE - Basic Attacks and Abilities gain 15% additional Magical Power against targets below 60% Health.
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 - Using an ability gives your next Basic Attack within the next 8 seconds +75% of your Magical Power as additional Magical Damage. The effect can only apply once every 2 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.