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 300 for each enemy hit with Valor.
Generate 1 Ammo for each enemy hit with Valor.
Increase your maximum Ammo by 1.
Reduce the Cooldown of Grace by 2s for each enemy hit with Valor. Can only happen once every 3s.
Reduce your active Cooldowns by 32% after getting an Elimination.
Hitting an enemy with Heirloom Rifle increases your Heirloom Rifle damage against that enemy by 7% for 3s, stacking up to 5 times.