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.
Reduce the Cooldown of Charge by 1s for every 1000 damage your Shield takes.
Gain a 450-Health Shield for 3s after you use Charge.
Reduce the Cooldown of Charge by 2.4s after hitting an enemy with Fireball.
Heal for 400 for each enemy hit with Fireball.
Heal for 180 every 1s while Shield is active and you are at or below 35% Health.
Increase the damage of Fireball by 35%, decrease its Cooldown by 1s, and deal 20% increased damage for each subsequent target hit after the first.