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 - When an enemy dies within 80 units of you gain 1 stack of Temper that provides 7% increased Basic Attack Damage for 10s. This can stack up to 5 times. If an enemy god dies near you immediately gain 5 stacks.
PASSIVE - Killing an enemy god or minion gives you stacks of +.4 Physical Power, +.2 Physical Penetration and +.1% Physical Lifesteal. You receive 5 stacks for a god kill and 1 stack for a minion kill. At 50 stacks this item Evolves, gaining 5 Physical Penetration.
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.
PASSIVE - For each 0.02 Attack Speed you go over 2.5 Attack Speed, you gain 3 Physical Power. You can not gain more than 120 Physical Power in this way.
PASSIVE - When your Ultimate ability has finished casting, your next ability or basic attack within 8s that damages an enemy god marks them, increasing the chance you and your allies can land a Critical Strike by 20% for 10 seconds. This can only occur once every 45 seconds.