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 - For each enemy God within 55 units of you, you gain a stack of 4% Damage Mitigation. This caps at 3 stacks.
PASSIVE - On damaging an enemy god, once per ability, gain 2 Magical Pen for 10s, stacks up to 3 times.