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.
Increase the Healing you receive by 35% while at or below 50% Health.
Reduce the Cooldown of Magic Barrier by 0.5s.
Reduce your damage taken by 9% for 2s after Magic Barrier ends.
Heal for 250 every 1s while Magic Barrier is active.
Increase your maximum Health by 50.
Detonating a Magic Mark also damages all enemies within 15 units of the victim for 75% of its damage.