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 the duration of Hidden by 3s.
Increase your Movement Speed by 21% while Out of Combat.
Increase your maximum Ammo by 6.
You do not consume Ammo for 1.5s after hitting an enemy with Poison Bolts.
Increase your Movement Speed by 15% while Hidden is active.
Increase the damage done by Poison Bolts by 25% and the rate at which they deal damage by 75%.