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 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 - Hitting an enemy God with a Basic Attack grants Haste for 6s, causing you to be immune from Basic Attack Movement Penalty. (Internal Cooldown 25s)
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 +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 - When your ultimate ability has finished casting you gain Myrddin's Rage which provides 15% Increased Damage Dealt decaying over 8s. At the end of the 8s you lose Myrddin's Rage. This can only occur once every 45s.