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Welcome to our complete the Drowning Labyrinth quest guide, Guardians. This unique activity stands as one of the most enigmatic and engaging challenges introduced in Episode Heresy. With cryptic symbols, hidden secrets, and a series of complex puzzles, this quest isn’t just about firepower – it's about unraveling deep lore elements within Destiny 2.
This time around, the developers have added more complexity through time-gated progression and concealed mechanics that keep even veteran players on their toes. Ready to tackle and finish this mission? This comprehensive guide provides everything you need to succeed, from step-by-step navigation to securing exclusive loot.
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Let’s kick things off with a quick the Drowning Labyrinth quest overview. This mission is an elusive challenge that forms part of the Sundered Doctrine dungeon in Destiny 2. Unlike standard quests, it progresses in stages, pushing players to solve symbol-based puzzles, track down secret objects, and decode hidden messages. Additionally, some steps are time-gated and can’t be completed right away.
This quest is designed to test your logic and awareness more than your combat skills. Expect challenging puzzles that reward keen observation and persistence.
To initiate the Drowning Labyrinth quest in Destiny 2, players must first access and complete the Sundered Doctrine dungeon. This quest isn’t automatically added to your log and requires manual activation within the dungeon itself.
Once you’ve completed these steps, the quest continues to evolve, revealing more secrets and puzzles within the dungeon environment.

This part offers a full walkthrough of the Drowning Labyrinth quest. It will be updated as new discoveries are made. Here’s a step-by-step guide to completing it:
After collecting all three worms, return to the base camp and input the symbols:
Witness → Gives → Darkness
This triggers a lore sequence about the pyramid structures shifting.
Restart the dungeon and head to the first traversal area. Slide through a waterfall hiding a secret chamber. A Dread ambush occurs, dropping Knowledge Fragments on kill.
Finish the dungeon again, using checkpoints if needed. After defeating the boss, further progression becomes time-gated. Continue farming the dungeon or diving into lore until new steps unlock.
Head back to the base camp. Near the crates by the Warlock and Hunter NPCs, pick up a new Hidden Report to unlock the next phase.
Return to the Pyramid device and enter:
Hive → Grief → Snake
Go back to where the sixth worm was. Enter the now-accessible room and defeat Hive Shriekers and Knights. Use explosive worms dropped by the Knights and carry them to a cave beneath the ledge. Deposit them to blow open a hidden passage.
Replay the dungeon and defeat Kerrev, The Erased, using a checkpoint if desired.
Back at base camp, collect the final report. The last batch of worms includes:
Return and input:
Guardian → Remember → Fleet
Return to the Pyramid device and enter the code once more. Head to the post-maze cavern to find a previously sealed section now open.
Defeat Hive Shriekers and Knights, collect Resonance lenses, and solve the puzzle by aligning beams to light the Worm symbol on the door. Once it glows steadily, enter and interact with the object to progress the quest.
Continue the dungeon as normal. After defeating Kerrev again, remain in the arena. Listen to Savathûn and observe the nine disappearing symbols. A hidden door behind the final chest opens, revealing a Pyramid artifact and a final loot chest.
Here’s what you earn from completing the Drowning Labyrinth quest:
The standout reward is the Finality’s Auger Catalyst, enhancing your new Exotic significantly.
The Drowning Labyrinth quest is a secretive post-dungeon activity tied to the Sundered Doctrine, where players dive into hidden lore, decode symbol puzzles, and track down mysterious artifacts.
To complete The Drowning Labyrinth quest, you’ll need to find the hidden base camp, gather three worms linked to specific symbols, solve the associated puzzle, unlock a secret shrine, and replay the dungeon.
You begin the quest by speaking to Ikora Rey at the Tower, then proceed into the Sundered Doctrine dungeon to discover a hidden location that activates the quest.
Completing the quest may grant you Finality’s Auger Catalyst along with unique lore items and high-tier loot.
Yes, this quest features time-gated progression, requiring players to wait for future weekly resets to continue advancing.
That wraps up our guide on the Drowning Labyrinth quest in Destiny 2. As a lore-heavy and puzzle-driven experience within the Sundered Doctrine dungeon, it challenges players to think and explore. From uncovering hidden worms to solving intricate symbol puzzles and facing off against Hive forces, the journey is both demanding and rewarding. Best of luck out there, Guardians – we’ll see you in-game!