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.
Activating Fire Bomb heals you for 200 over 2s.
Increase your maximum Health by 250.
Heal for 120 for each enemy hit with Nade Launcher.
Increase your maximum Ammo by 8.
Heal for 400 after getting a Killing Blow on an enemy affected by Hunter’s Mark.
Hunter's Mark has 2 charges and grants its benefits to allies.