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 +50 True Damage and your Abilities deal +35% damage against Jungle Camps and Jungle Bosses. When you kill any of these you gain a 10% power buff for 30s and are healed for 8% of their Health, 10% of your Mana.
PASSIVE - You gain Physical Power equal to 2% of your Maximum Mana.
AURA - Enemies within 55 units have their Attack Speed reduced by 25%.
PASSIVE - For 8s after using an ability, your next Basic Attack will deal an additional 25% damage. Abilities that function like basic attacks do not benefit from this. PASSIVE - This item grants 2.5 MP5 per 10% of your missing Mana.
PASSIVE - Your abilities deal an additional 2% of the targets maximum Health as Physical Damage. If you have over 150 Physical Power, your ability bonus damage scales up. This effect reaches a maximum of 6% Maximum Health damage at 250 Physical Power. Subsequent hits on the same target do 75% of the bonus damage for the next 3s.