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Vanquishing the Vexing Vapors is a Paradise Island side quest in The Outer Worlds 2. To complete it, use the Gas-Energy Deflection Apparatus to reach the Euphoria Coast Automech Repair Center’s control room, seal two intake conduits, shut down the Zyranium flow, then report back to Marshal Lucas Donelson. The quest follows An Aegis Against the Miasma, which provides the apparatus you need.
How to start the quest
Complete An Aegis Against the Miasma, then speak with Marshal Lucas Donelson at the Euphoria Coast Automech Repair Center on Paradise Island. The earlier quest provides the Gas-Energy Deflection Apparatus, which protects you while crossing Zyranium hazards.
The objectives are to reach the Primary Repair Hangar, locate the Zyranium Flow Control System, fix two leaks, stop the flow, and report back to Donelson.
How to reach the Zyranium Flow Control System
Before crossing into the Zyranium-affected Primary Repair Hangar, equip or activate the Gas-Energy Deflection Apparatus. It deactivates after a few seconds or when damage exceeds its capacity, so move through hazardous areas promptly and watch its status.
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You can enter the initial area through a door with a Hack 2 skill check or take the nearby vent instead. Both routes lead toward the flow-control system; the vent is the alternative if you do not meet the hacking requirement. Expect malfunctioning drones and limit the time you spend in the gas.
Seal both intake conduits
In the gas-filled control room, interact with the terminal. Use its options to check the system and learn where the conduits are. The walkthrough lists these menu selections:
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- “Seal Room & Vent Gas”
- “Access Flow Control Systems”
- “Check System Status”
- “Initiate Zyranium Flow Shutdown”
- “Query Conduit Locations”
Follow the directions for the conduits, then leave by the indicated door. The route to the two conduit controls runs along upper walkways and across the roof. Interact with each control to seal its intake conduit. You must seal both before the final shutdown.
Shut down the flow and finish the quest
Return to the flow-control room using the ladder and vent route. At the terminal, select “Initiate Zyranium Flow Shutdown” after both conduits are sealed. Once the flow is stopped, return to Marshal Donelson and report your success.
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Repair the facility or sabotage it?
This quest is the repair-center outcome of a broader facility decision. Fixing the leak saves the Automech Repair Center and lets you collect the rewards for Vanquishing the Vexing Vapors. Sabotaging the facility leads to a different faction-quest outcome and locks you out of this quest’s rewards. If you want the repair-center rewards, choose the repair route.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Quest rewards
The walkthrough lists the The Dose helmet, a Repeating Rifle Explosive Rounds recipe/add-on, experience, and bits. Passing an Engineering 3 speech check when reporting back awards an additional 350 bits. The guide’s reward summary and conditional-reward section do not give a consistent overall bit total, so the exact guaranteed total is not established here.
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