Resident Evil Requiem
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The Complete Visual and Textual Guide to Resident Evil: Requiem – Full Plot and Game Process [Knight Guide Team]
2026-05-14 14:45:40 · ACT

《Resident Evil 9: Requiem》 Walkthrough: Obtaining the 2nd Joint Plug & Square Socket Wrench

After picking up the first Joint Plug from the cell block, you must immediately run back to the Security Room. With the plug in hand, return to the basement entrance and insert it into the socket you originally found to unlock the path to the boiler room.

Push the wooden crate blocking your way and squeeze through the fence gap to enter the boiler room. In addition to supplies, you will find the key item: the Square Socket Wrench.

After fully exploring the boiler room and collecting all resources, exit the way you came. Remember to pick up the Joint Plug from the entrance as you leave.

On your way back to the Security Room, detour to the Break Room. Here you can find the crafting recipe for the Molotov Cocktail and a locked container with extra supplies. Collect these to prepare for survival ahead.

Your next main objective is to use the Joint Plug left at the cell block entrance to open the door to the crematorium.
Inside the crematorium, there is a safe (the code is best found earlier in the game) and a ventilation shaft leading to the workshop. Most importantly, you will find the **second Joint Plug** here. After collecting it, remove the plug from the crematorium door socket, then proceed to the collection pool.

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