You do not consume Ammo for 2.5s after hitting an enemy with Poison Bolts.
Level 5
Ninja
Hidden
Increase your Movement Speed by 15% while Hidden is active.
Level 3
Cloak
Hidden
Increase the duration of Hidden by 1s.
Level 1
Healing Vapors
Smoke Screen
Heal for 250 over 2s while in Smoke Screen.
Level 2
Poisoner
Poison Bolts
Reduce the Cooldown of Poison Bolts by 3.2s.
Level 4
Smoke and Dagger
Smoke Screen
Benefits from your Smoke Screen cards also benefit allies who enter Smoke Screen and allies are Healed for 100 every 1s while in your Smoke Screen, but Smoke Screen no longer applies Stealth to you.