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 600 after activating Impasse.
Generate 1 Ammo after activating Earthen Guard.
Heal for 140 every 1s while Earthen Guard is active.
Reduce your damage taken by 20% while standing in Warder's Field.
Generate 2 Ammo after activating Warder's Field.
Impasse now has 2 charges and its Cooldown is reduced to 12s, but you are unable to destroy your walls.