Complete El.9 Solution in Routine: Chapter 5 Guide

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Walkthrough

1
Exit the bunker and follow the coned path to another bunker.
2
Inside, use the airlock terminal to press the button and scan the security monitor with your Interface Module.
3
Enter the elevator and press the up arrow to reach the botany lab.
4
Go to the Main Wing door and use your security access.
5
Enter the room with the sprouting body and head right to the Laboratory 01 door. Use your Interface Module to unlock it.
6
Listen to the voice recording, read emails/diary on the terminal, and crawl through the vent behind it.
7
In the vent, follow the path to a water cistern area. Save at the Wireless Access Point.
8
Crawl under the gap in the door to the right of the Access Point.
9
Find the keycard on the table (note the name and number). This area is no longer safe; the entity will roam.
10
Go to the terminal marked Maria's and enter the code from the keycard (e.g., 9785). Press EXE.
11
Follow the cables through the now-open door.
12
Go past the Lab 02 room into the dark hallway and crawl into the vent at the end.
13
Crawl through the vent and exit into the chemical lab. Save at the access point above the hatch.
14
Mix the disinfectant for the decontamination scan: Base: Isopropyl Alcohol, Active 01: Copper Ions, Active 02: Hydrogen Peroxide, Stabilizer: EDTA. Press TEST.
15
Backtrack to the lobby area where you first entered. Save.
16
Enter the decontamination chamber. The disinfectant will be applied, and doors will open.
17
Look at the keycard on the floor beside the body (William's). Note the ID number.
18
Go back to the area where the Access Override terminal was (where Maria's keycard was found).
19
Enter William's code from the keycard (e.g., 4619) on the terminal. The gate to your right will open.
20
Climb down the ladder, follow the hallway, and climb down a second ladder.
21
Follow the red pipes and objects on the ceiling to navigate the dark tunnels: out the doorway, right along skinny red pipes, left, straight up a slope, left through a doorway, follow red hanging crates, turn right at a wall, follow a large red pipe to the crank wheel.
22
Turn the crank wheel.
23
Make your way back through the tunnels to the ladder, looking for red objects to guide you.
24
Climb up the ladder. Run to the cafeteria area and crawl under the door to reach the cistern. Save.
25
Climb down the ladder in the cistern. Follow the tunnel and climb up another ladder.
26
Crawl through the vent door into the office. Save at the access point.
27
Inspect the terminal. Enter William's code (e.g., 4619).
28
On the SECURITY tab, upgrade your Interface Module by scanning the screen.
29
Make your way back to the Ward: go to the lobby, get in the elevator, go up, and use the airlock to head back to the Moon's surface.
30
Get back to the other bunker and use the airlock to re-enter the building. This transitions to Chapter 6.

Tips

The entity is invisible but can be heard. Use your Interface Module to see it.
Keycard codes may differ per player; always check the keycard or your saved notes.
Follow the red pipes and objects on the ceiling to navigate the dark tunnels.

Disinfectant Compiler Achievement: Complete the El.9 Solution - collected by creating a successful mixture for a disinfectant in Endure: Isopropyl Alcohol, Copper Ions, Hydrogen Peroxide, EDTA.

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