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.
Reduce the Cooldown of Fire Bomb by 3s.
Increase your maximum Ammo by 6.
Reduce the damage you deal to yourself with Fire Bomb by 40%.
Increase your Movement Speed by 16% for 4s after using Fire Bomb.
Reduce your active Cooldowns by 30% after getting an Elimination.
Hunter's Mark has 2 charges and grants its benefits to allies.