In the Yasna Monument, you’ll find an Eremite camp with anEnergy Extraction Devicethat can be diffused with the help of Control Keys. Reference the image below to find the exact location of the Challenge. Since the area is swarming with enemy Eremites, ensure to bring a battle-ready team.
Once you get there, you’ll find a mechanism called an Energy Extraction Device. Approach it to begin a Challenge where you must find two Control Keys to deactivate the Device.
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How to Look for a way to control the extractor in Genshin Impact
In this part, you need to find the two missing Control Keys in order to shut down the Energy Extraction Device. You can obtain them in any order.
First Control Key location
There’s a hole beside the Energy Extraction Device. Jump down to enter the building, where you’ll immediately spot the first Control Key. After approaching the Key to claim it, exit the building by following the path to the next room, then outdoors.
Second Control Key location
After exiting the first room, jump down to find the entrance pictured above. Enter the room to immediately spot the second Control Key. After claiming it, defeat the Eremites andinteract with the mechanism beside the gateto open up an exit.
How to guard the extractor until it shuts down in Genshin Impact
After obtaining the two Control Keys,interactwith the Energy Extractor Device at the top of the building to begin a battle segment. A circular gauge will appear above it. Your goal is tostand beside the Deviceuntil the gauge above it becomes full. If you’re too far away or if there are enemy disruptions, the gauge will stop filling up, so make sure todefeat all the enemiesthat spawn and stand closeto the Device afterward. Once the gauge is all filled up, the Energy Extraction Device will turn off, rewarding you with anExquisite Chest.
Check out our guide onHow to solve the Energy Extraction Device Challenge south of Old Vanarana in Genshin Impactto solve a similar Challenge in Sumeru.
