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.
Hitting an enemy with Presence reduces its Cooldown by 5s.
Increase the travel distance of Grace by 5 units.
Increase your maximum Ammo by 1.
Generate 3 Ammo for each enemy hit with Valor.
Gain 25% Movement Speed for 3s after using Grace.
Hitting an enemy with Heirloom Rifle increases your Heirloom Rifle damage against that enemy by 7% for 3s, stacking up to 5 times.