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.
Using this item reflects 30% of all damage you take, before mitigations, for the next 5 seconds, back to its owner as Magical Damage. If you are dealt 120 * your level damage while this effect is active, the effect will end early. While this is active enemies can only lifesteal from you for 75% of their total lifesteal. Cooldown - 140s.
PASSIVE - Enemies hit by your damaging Abilities take an additional 40 Physical Damage over 2s. Subsequent hits on the same target do half the bonus damage for the next 3s. Can be upgraded at level 20.
PASSIVE - Your Basic Attacks benefit from an additional 20% Physical Penetration.
PASSIVE - You permanently gain 15 Mana per Stack, and receive 5 Stacks for a god kill, and 1 Stack for a minion kill (max. 50 stacks). You gain Physical Power equal to 2% of your Maximum Mana. At 50 stacks this item Evolves, gaining 10% Cooldown Reduction.
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.