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 your maximum Health by 600.
Heal for an additional 80 after activating Battle Shout.
Generate 12 Ammo after activating Battle Shout.
Increase your maximum Ammo by 12.
Increase your Movement Speed by 24% for 3s after activating Battle Shout.
Increase your Attack Speed by 40%, but reduce your damage-per-shot by 25%.