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.
Generate 6% Moonlight for each enemy hit with Light Bow.
Regenerate 6% Moonlight every 1s while within 30 units of Luna and not using Moonlight.
Heal for 40 every time you Heal an ally with Moonlight.
Increase Luna's Health by 225.
Increase your maximum Health by 200.
Allies being Healed by Moonlight take 15% reduced damage.