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 - On god kill or assist a coin is flipped. If heads, you gain a stack of 7 HP5. If tails, you gain a stack of 2% Movement Speed. Each effect can stack up to 4 times and at 8 stacks this item evolves. You also gain 15 gold every time the coin is flipped.
PASSIVE - You permanently gain +1 Health and +0.6 Magical Power per Stack, and receive 5 Stacks for a god kill and 1 Stack per minion kill. At 75 stacks this item Evolves, gaining 10% Magical Penetration and 25 Health.
PASSIVE - Your Basic Attacks reduce your target's Magical Protection by 10% for 3s (max 3 Stacks).
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 Basic Attacks deal bonus damage of 5 (+3 Per Level). This effect does not hit structures.