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.
Heal for 30 every time you Heal an ally with Moonlight.
Increase Luna's Health by 225.
Increase your maximum Health by 50.
Increase your maximum Moonlight capacity by 40%.
Regenerate 5% Moonlight every 1s while not using Moonlight.
Allies being Healed by Moonlight take 15% reduced damage.