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 120 for each enemy hit with Valor.
Hitting an enemy with Presence reduces its Cooldown by 1s.
Increase your maximum Ammo by 2.
Reduce the Cooldown of Grace by 2.5s for each enemy hit with Valor. Can only happen once every 3s.
Reduce the Cooldown of Presence by 2s for each enemy hit by Valor.
Grace now hits all enemies in front of you instead of only one, but its Cooldown is increased by 1s.