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.
Gain a 300-health Shield for 3s after dropping to or below 50% Health.
Heal for 250 after using Elemental Shift.
Dealing damage with Pyre Ball reduces the Cooldown of Frost Bomb by 0.8s.
Dealing damage with Frost Bolt reduces the Cooldown of Inferno Cannon by 0.5s.
Increase your maximum Health by 250.
Remaining still for 1s creates a Mana Rift around you that generates Mana every 1s. Leaving the Mana Rift destroys it.