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 - Hitting an enemy with a Basic Attack restores 1.4% of your Health, 2% of your Mana and reduces your active non-Ultimate Cooldowns by 0.33s. Basic Attacks that deal damage in an AoE restore less health (75% for Melee Attacks, 50% for Ranged Attacks) for each enemy hit after the first and only count once for the Cooldown reduction effect.
PASSIVE - Hitting an enemy with a Basic Attack grants Haste for 1s, causing you to be immune from Basic Attack Movement Penalty.
PASSIVE - Melee Basic Attacks decreases enemy Physical protections by 7, and increase your physical protection by 5 for 3s (max. 2 Stacks).
PASSIVE - On Basic Attack hits, deal Physical Damage equal to 1.5% of the target's maximum Health. If the target has over 2000 Health, the bonus damage scales up. This effect reaches a maximum of 6% of the targets Maximum Health at 2750 Health.
PASSIVE - Every fourth Basic Attack triggers a chain lightning, damaging the target and up to 4 nearby enemies for 15 damage +60% of your total Basic Attack Power.