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 - 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.
PASSIVE - Every 8s the highest health enemy minion or jungle monster within 80 units of you is marked. If you secure the killing blow on that target you gain 4 bonus gold and 25% attack speed for 8s, and restore 30 Mana. Can be upgraded at level 20.
PASSIVE - When critically striking an enemy, gain a stack of 5 Physical Power, max 3 stacks, for 5s.
PASSIVE - While below 60% Health, you gain an additional 15% Physical Lifesteal for 5 seconds. Can only occur once every 15 seconds.
PASSIVE - Upon getting a kill or assist on an Enemy god you gain Atalanta's Agility for 10s. This effect increases your Attack Speed by 20% and decreases the Movement Penalty for attacking, backpedaling, and strafing by 30%.