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 - Getting an assist on an enemy god or minion kill grants 2 Protections for 5s, max 5 stacks
PASSIVE - Your first ability cast gains 20% Physical Penetration. This can only occur once every 5 seconds.