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Home » Game Guides » Arknights: Endfield » Arknights Endfield Invisible Glyphs: Investigation Walkthrough

Arknights Endfield Invisible Glyphs: Investigation Walkthrough

January 26, 2026 by Gaglaush Leave a Comment

Invisible Glyphs: Investigation is a side mission in Arknights Endfield. This walkthrough will guide you through all objectives of the Invisible Glyphs: Discovery side quest.

  • Starting Location: Valley IV > The Hub
  • Quest Giver: Jouster
  • Requirement: Reach Authority Level 15, complete quest Invisible Glyphs: Discovery, then wait for the server reset the following day
  • Reward: 75 Oroberyl, 4600 T-Creds, 14 Intermediate Combat Record, 8 Protoprism, 11 Arms INSP Kit, 300 EXP
  • Quest Description: Security officer Jouster, who found the invisible Bonekrusher glyphs, has sent you some messages. His investigation has made some progress.

Objectives:

  1. Read Jouster’s message
  2. Find Jouster
  3. Go to Landbreaker camp
  4. Defeat the Landbreakers
  5. Interact with the denstack haze
  6. Follow Landbraker Graffete
  7. Find a way into the cave
  8. Interact with the denstack haze
  9. Find a way to enter the cave [Optional] Check the worn note
  10. Find Jouster
  11. Find the hidden supplies
  12. Investigate the cave (Optional) Check the yellowed note
  13. Rescue Jouster
  14. Continue to search the cave
  15. Open the Landbraker loot

Starting Location: Invisible Glyphs: Investigation

Open your messages and look for a message from Jouster. Reading it reveals the location you need to travel to meet Jouster in Valley IV > The Hub > Hub West.

Find Jouster

Head to the location on the map in front of the U.W.S.T. billboard. When you arrive, Jouster isn’t there, but you get a message from him that suggests he’s in trouble.

Go To The Landbraker Camp

Follow the mark to the Landbraker Camp.

Defeat The Landbrakers

Defeat the Landbreaker.

Interact With The Denstack Haze

After defeating the Landbraker, approach the denstack haze, which puts a weird filter on the screen.

Follow Landbraker Graffete

Begin following the marker. Eventually, you’ll reach a wall that you must blow up. Look for a bomb in the tower behind the wall, or use an Incendiary grenade if you have crafted those.

Find A Way Into The Cave

Interact with the marker on the floor in front of the wall.

Interact With The Denstack Haze

Head north from the cave location, and you’ll find a group of Landbrakers. Defeat them and interact with the denstack haze.

Find A Way To Enter The Cave (Optional) Check The Worn Note

After interacting with the denstack haze. Go back to the cave entrance and examine the note to complete the optional objective.

To open the cave entrance, find the three switches indicated by the markers on your screen and turn each one on.

Find Jouster

Enter the cave, and the objective will change.

Find The Hidden Supplies

As you progress through the cave, you are asked to find the hidden supplies that were stolen. They can be found right in front of you; interact with them to recover the supplies.

Investigate the cave (Optional) Check the Yellowed Note

Moving forward, you’ll be asked to examine a yellow note as an optional objective.

Rescue Jouster

You’ll find Jouster trapped in a cage. Approach the cage and rescue him.

Continue To Search The Cave

In front of the cage, you’ll find an explosive you can use to blow up the wall in front of it. Do so to continue with the quest.

Open The Landbraker Loot

Open the treasure chest to complete the quest.

You receive 75 Oroberyl, 4600 T-Creds, 14 Intermediate Combat Record, 8 Protoprism, 11 Arms INSP Kit, 300 EXP

This finishes the Invisible Glyphs: Investigation side quest in Arknights Endfield.

NEXT: Invisible Glyphs: Revelation

For all other Quests, refer to the Arknights Endfield Walkthrough.

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