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 - Enemies hit by your Basic Attacks are burned, taking 60 Physical damage over 2s and have their Attack Speed slowed by 10%. Jungle Monsters and Bosses take 4x damage and restore 2.5% Health and 5% Mana when they die. This effect can stack up to 4 times.
PASSIVE - When you take damage and are below 40% Health, you gain a Shield with health equal to 12% of your Maximum Health for 20s. Can only occur once every 60s.
AURA - ALL enemies within 25 units are dealt 20 (+1.5 Per Level) Magical Damage per second.
PASSIVE - While below 60% Health, you gain an additional 15% Physical Lifesteal for 5 seconds. Can only occur once every 15 seconds.
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.