The Drowning Labyrinth Quest in Destiny 2: Complete Walkthrough

Updated February 24, 2025.

The Drowning Labyrinth quest in Destiny 2‘s Sundered Doctrine dungeon is a hidden challenge that rewards players with Finality’s Auger, a powerful Exotic Linear Fusion Rifle. To complete this quest, Guardians must locate and collect 9 Hive Worms scattered throughout the dungeon while solving glyph-based puzzles that unlock hidden chambers.

This guide provides a detailed, step-by-step breakdown of each Hive Worm location, including how to solve the symbol puzzles required to access them. Follow along to ensure you don’t miss out on this exclusive Exotic weapon and additional legendary rewards.

How to Start The Drowning Labyrinth Quest

Before diving into the dungeon, you must first unlock the Drowning Labyrinth quest. Here’s how:

Visit Ikora Rey – Head to the Tower Bazaar and speak with Ikora Rey to obtain the quest.
Enter Sundered Doctrine – Launch the dungeon from the upper-left section of Savathûn’s Throne World.
Reach the First Checkpoint – After defeating the initial wave of enemies, locate an encrypted transmission near a Pyramid structure.
Activate the Quest – Interact with the transmission to begin The Drowning Labyrinth.

At this point, your objective is to find 9 Hive Worms hidden across multiple encounters and solve glyph puzzles to access them.

Hive Worm Locations & Symbol Puzzles

Complete the Sundered Doctrine Dungeon

Objective: To begin the quest, you must complete the Sundered Doctrine dungeon. You can do this at any difficulty level, but it’s recommended to do it on Normal for a more straightforward experience. Defeat the final boss, Kerrev, The Erased, to unlock the next steps in the quest.

Each Hive Worm is hidden behind a glyph-based puzzle. Below is a detailed breakdown of all 9 locations, including specific puzzle solutions, sequences, and tips.

Step 1: Complete the Dungeon

Objective: Complete the Sundered Doctrine dungeon at any difficulty.
Tip: Defeat the final boss, Kerrev, The Erased, to progress the quest.

Step 2: Enter the Code

Objective: Find the Hidden Base Camp at the start of the dungeon.
Solution:
1. Locate the table with scattered papers and pick up the Hidden Report.
2. Enter the following code into the Pyramid’s machinery (a giant wheel):
  - Savathûn Symbol → Enter Symbol → Pyramid Symbol.
  - Code: “Savathûn Enters the Pyramid.”
Location: Hidden Base Camp near the bridge.

Step 3: Find Hidden Worms

Objective: Locate and collect 3 Hive Worms hidden throughout the dungeon.

Worm #1 Location

Location: Underneath the bridge after leaving the Hidden Base Camp.
Symbol: Witness Symbol (take note of this for later).

Worm #2 Location

Location: After the first encounter, head to the back right corner of the large cavern.
Symbol: Give Symbol (take note of this for later).

Worm #3 Location

Location: After the second encounter, look for a door on the left side.
Symbol: Darkness Symbol (take note of this for later).

Step 4: Enter Another Code

Objective: Return to the Hidden Base Camp and enter a new code.
Solution:
1. Use the symbols collected from the worms:
  - Witness Symbol → Give Symbol → Darkness Symbol.
  - Code: “Witness Gives Darkness.”
2. This triggers a message about the Pyramid shifting.

Step 5: Solve the Knowledge Puzzle

Objective: Defeat Dread enemies and collect Knowledge Fragments.
Solution:
1. Deposit the fragments on the giant orange plate in the back of the room.
2. Interact with the scannable terminal behind the plate.

Step 6: Complete the Dungeon Again

Objective: Complete the Sundered Doctrine dungeon again.
Tip: Use a final boss checkpoint to speed up this step.

Step 7: Find Another Hidden Report and Collect 3 More Worms

Objective: Return to the Hidden Base Camp and collect another Hidden Report.

Worm #4 Location

Location: Before the first encounter, drop down through the red light and activate a hidden door.
Symbol: Hive Symbol.

Worm #5 Location

Location: Before the rolling ball section after the first encounter, activate a hidden pressure plate.
Symbol: Grief Symbol.

Worm #6 Location

Location: After the second encounter, follow the stairs upwards and shoot a locked door.
Symbol: Snake Symbol.

Step 8: Enter the Third Code

Objective: Return to the Hidden Base Camp and enter a new code.
Solution:
1. Use the symbols collected from the worms:
  - Hive Symbol → Grief Symbol → Snake Symbol.
  - Code: “Hive Grief Snake.”
2. This triggers another message about the Pyramid shifting.

Step 9: Solve the Hive Secrets Puzzle

Objective: Defeat Hive Knights and deposit explosive Hive Worms in a cave.
Solution:
1. Carry the worms to the cave beneath the top ledge.
2. Deposit them to trigger an explosion and unlock a new entrance.

Step 10: Complete the Dungeon Again

Objective: Complete the Sundered Doctrine dungeon again.
Tip: Use a final boss checkpoint to speed up this step.

Step 11: Find the Last Hidden Report and Collect the Final 3 Worms

Objective: Return to the Hidden Base Camp and collect the final Hidden Report.

Worm #7 Location

Location: Before the first encounter, jump onto an invisible platform in the second traversal section.
Symbol: Guardian Symbol.

Worm #8 Location

Location: After the first encounter, climb to the top left of the spiky ball room and activate a hidden door.
Symbol: Remember Symbol.

Worm #9 Location

Location: Before the final boss fight, activate a hidden door on the far right end of the room.
Symbol: Fleet Symbol.

Step 12: Enter the Final Code and Solve the Lens Puzzle

Objective: Return to the Hidden Base Camp and enter the final code.
Solution:
1. Use the symbols collected from the worms:
  - Guardian Symbol → Remember Symbol → Fleet Symbol.
  - Code: “Guardian Remember Fleet.”
2. This triggers a message about the Pyramid shifting again.
Lens Puzzle:
1. Align the lenses in the cavern to light up the Worm Symbol on the middle door.
2. Use the Resonance energy source at the far right of the cavern.

Step 13: Complete the Dungeon and Open the Final Chamber

Objective: Defeat Kerrev, The Erased and open the final chamber.
Solution:
1. After defeating the boss, a door behind the final chest will open.
2. Interact with the massive artifact inside to complete the quest.

Step 14: Visit Ikora Rey

Objective: Return to Ikora Rey in the Tower Bazaar to claim your rewards:
- Finality’s Auger: Exotic Linear Fusion Rifle.
- Legendary Weapons: Unvoiced, Unworthy, Unsworn.
- Exclusive Emblems & Triumphs.

Completing The Drowning Labyrinth Quest

Once all 9 Hive Worms have been collected, return to Ikora Rey in the Tower to claim your reward. You’ll receive:

Finality’s Auger – Exotic Linear Fusion Rifle ⚡
Legendary Weapons: Unvoiced, Unworthy, Unsworn 🎯
Exclusive Emblems & Triumphs 🏆

Additionally, solving the symbol puzzles and completing this hidden quest contributes to endgame achievements, making it a crucial challenge for completionists.

Conquer The Drowning Labyrinth with LFCarry