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 - Successfully hitting an enemy god with a Crowd Control ability will place a debuff on them, reducing their Physical and Magical Protections by 0.8 * your level for 5s.
PASSIVE - On leveling up, heal 15% of your Maximum Health and Mana over 3s.