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 - Every time you are damaged by a god you gain a stack that provides 3 Physical and Magical Protections. Stacks up to 7 times, Lasts 6s
PASSIVE - Getting an assist on an enemy god or minion kill grants 2 Protections for 5s, max 5 stacks
AURA - Allied gods within 70 units have their Physical Protections increased by 15 and their HP5 increased by 25.