Skyrim:Unfathomable Depths

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SR-qico-Miscellaneous.png Uncover the memories of the Dwemer.
Quest Giver: From-Deepest-Fathoms
Location(s): Riften docks, Avanchnzel
Reward: Ancient Knowledge
ID: MS04
Required Level: 14
Suggested Level: 16
 
The Lexicon

[edit] Quick Walkthrough

  1. Accept the Lexicon from From-Deepest-Fathoms.
  2. Return the Lexicon to Avanchnzel.

[edit] Detailed Walkthrough

[edit] Memory Remains

From-Deepest-Fathoms wandering the Riften docks

Once you reach level 14, a female Argonian named From-Deepest-Fathoms will appear near Riften Fishery, walking around in circles, manically talking to herself. When you approach her, she will tell you about a place called Avanchnzel and an item she refers to as "the Lexicon": "You. You must take the Lexicon. Free me of my burden." When you respond, she merely continues: "The memories. I cannot stand them. You must take them away, return them to Avanchnzel. You must take the Lexicon from me. Please... take it now." She will not provide any explanations and will continue rambling until you accept. She then hands you a strange, ornately-decorated cube, and will walk away with the words: "You must bring it to Avanchnzel, in the west. Return it to them. It must go back."

[edit] Four Thieves

Avanchnzel is a large Dwemer ruin in southernmost Skyrim, in the Jerall Mountains, a long ways west of Riften and southwest of Heartwood Mill. The exterior of the ruin is quite large, promising a lengthy journey within. The entrance itself is a cave-like opening in the cliff rather than a Dwemer-crafted stone door. Immediately upon entering, the hidden power of the Lexicon begins to awaken, and you will hear ghostly voices echoing through the tunnels. When you reach the first chamber, you will encounter four ghostly figures: Drennen, Breya, Watches-The-Roots and From-Deepest-Fathoms, the same Argonian who gave you the Lexicon back in Riften. The conversation between them reveals that Roots is the leader, while Fathoms and Breya serve as second-in-command. Drennen is clearly the newcomer and is already worried about what lurks within Avanchnzel:

"It feels like we're being... watched."
Drennen: "I don't like this place. It feels like we're being... watched."
Breya: "It's a simple job, Drennen. We get in, we steal the Lexicon, we leave. Don't get jumpy."
Fathoms: "If you two cannot handle this, we can find others to hire."
Roots: "Enough. Their services will be more than adequate. Let us continue."

The ghosts will then disappear without a trace. When you continue forward, you will notice a broken-down wall that leads into the actual ruin; clearly made by the ghostly adventurers. Inside the ruin, dwarven spiders immediately attack, so dispose of them and proceed through the empty halls until you reach a door.

[edit] Avanchnzel is Waiting

The next chamber is the central chamber, with multiple levels and bridges leading up to plateaus above. Two ghosts will be present on the bridge, the young Drennen and the more experienced Watches-The-Roots. Roots clearly did his homework and tells Drennen the purpose of Avanchnzel:

Drennen: "This place is unbelievable."
Roots: "Indeed. Avanchnzel is as much a library as it is a city. Built to hold the vast memories of the Dwemer."
"Why are all these metal... things... ignoring us?"

After this brief exchange the two ghosts will disappear, leaving you with two possible paths: east and south. Since the ghosts were heading south, pick that route and fight your way through numerous dwarven spheres as the path twists and turns, leading down like a spiral. When you reach the large central chamber again, you will find yourself on the level below the bridge, and you will be attacked by four dwarven spiders. Make your way to the very bottom and check out the door to the south for a bit of treasure, then follow the map marker to the eastern door. Here, all four ghosts are present again, curiously staring at some buzzing dwarven automatons:

Breya: "Why are all these metal... things... ignoring us?"
Roots: "Anavchnzel is waiting."
Breya: "Waiting for what?"
Roots: "No one seems to know. Perhaps the return of the Dwemer. Perhaps the end of the world."
Breya: "Best get rid of the ones we see. Just in case."

When the ghosts and the machinery are gone, proceed down the corridor and enter the next zone, Avanchnzel Animoncultory.

[edit] Accumulated Memories

"I told you we should have hired a thief."
"Maybe we should turn back. I don't want to sleep here."

In the first chamber of the Animoncultory, you will yet again encounter the ghosts, this time trying to break into one of the many hidden chambers of Avanchnzel. At this point, it is clear the place is starting to get to them:

Breya: "I told you we should have hired a thief."
Fathoms: "We are thieves, you fool. We're stealing the cube."
Breya: "And yet none of us can pick a damned lock."

When the ghosts are gone, pick the lock for some minor loot, then proceed up the stairs and follow the tunnels to another large chamber with a tiny camp set up by the adventurers. Here, you will watch their growing frustrations with each other and the task at hand:

Drennen: "This place is huge."
Roots: "It is large, indeed. I did not anticipate Avanchnzel's size or the time needed to uncover the entrance. A few hours sleep and we should be ready to continue through."
Drennen: "Maybe we should turn back. I don't want to sleep here."
Roots: "Drennen, you do understand that the Lexicon at the bottom of this place holds the accumulated memories of centuries of Dwemer."
Breya: "Not to mention our pay."
Drennen: "So?"
Fathoms: "So we're not turning back, you fool."
Breya: "Besides, you're not scared of a few sleeping metal men. Are you, Drennen?"

Head east from the camping area and follow the tunnel as it turns north. Beware the booby-trapped door to the east, as the spinning blades from the floor can kill you instantly. Turn around the corner and approach the northern side of the huge chamber with the camp. It contains a single dwarven spider, numerous dwemer artifacts on shelves, an alchemy lab, and some jewelry. From there, take the southern corridor, which leads one level down to another door. A dwarven spider and dwemer sphere guard the next room, and several locked doors lead to extra treasure. Keep moving in a western direction until you reach a chamber with yet another ghostly encounter:

Breya: "I thought you said these things were "sleeping"?"
Roots: "You said they were sleeping. I said they were waiting. It seems a few of them were "waiting" for someone to try and take the Lexicon."
Breya: "Great."

Head down the southern corridor and open the door. A gigantic factory will appear before you, filled to the brink with dwarven spiders, as well as several dwarven centurions and spheres lying on tables, ready to attack if needed. With the exception of the spiders, none of them will attack, so locate the northern staircase and head down the slope to find the first evidence of what happened to the adventurers.

[edit] The Lexicon

"Drennen!"
"Soon the Lexicon's knowledge will be mine."

At the foot of the slope, you will find the dead body of one of the ghosts: the young Drennen. Around the corner, you will see the ghostly version of Drennen finally lose it and run towards you, disappearing exactly where his body lies. His final words—"I can't do this. We shouldn't be here. I'm sorry."—will be largely ignored by his companions, who, unaware that Drennen died just after turning the corner, will decide to move on:

Breya: "Drennen!"
Fathoms: "Let the field mouse run. Your pay will be double."
Breya: "My pay will be nothing if we die in here!"
Roots: "Calm yourself, Breya. We are closing in on the Lexicon. I can feel it calling. We'll continue without Drennen."

The three ghosts will then move on into the Avanchnzel Boilery, so follow them inside. There you will witness yet another conversation, where a seemingly-possessed Roots will claim he can hear the Lexicon calling:

Roots: "We are close now. Can you hear the Lexicon calling out?"
Breya: "Sure."
Fathoms: "So we grab it and we get out, right?"
Roots: "Once we have the Lexicon, we'll need to take it to its podium. I know what to do from there. Soon the Lexicon's knowledge will be mine."'
Fathoms: "Ours. Soon the Lexicon's knowledge will be ours."
Roots: "Of course."

[edit] Unfathomable Depths

"I can hear the Lexicon. Come on. Quickly!"
The End of the Road

Walk down the pathway and through the steamy tunnel. A dwarven sphere will attack along the way, and you will encounter a dwarven spider sitting on a set of shelves, shivering. In the next room, you will see Roots, Breya, and Fathoms carefully approaching a door at the end of the room. The obsessed Roots will say:

Roots: "We're almost there. I can hear the Lexicon. Come on. Quickly!"
Breya: "Something doesn't feel right."

The three will then approach the door and Breya will shout, "Wait!" and Roots will cry out, "Aaaaaaaaaaa...." Behind the door, a set of pressure plates will transform the entire room into a deathtrap of nearly unavoidable spinning blades. At the bottom of the slope you will find Watches-The-Roots dead, obviously killed by the blades. You can turn off the trap with the handle near his body, then open the nearby door for the final showdown.

In the last chamber, Breya's body can be found dead near the pedestal, killed by the dwarven centurion lying next to her. Unfortunately, there is one more centurion in the room and it will get up as you approach the pedestal. After the battle, locate the Lexicon Receptacle in the middle of the room and place the Lexicon on it. Once it is in place, behold the sight of power and memories as it opens. Your reward for following in the footsteps of some unfortunate adventurers is the passive effect Ancient Knowledge.

To leave the ruin, open the western door and take the elevator up to the first zone, Avanchnzel, and fight a few enemies. Locate the door with the wooden bar to the north and escape out unto the Avanchnzel Balcony, an exterior area that provides a breathtaking view over Skyrim. To the right is a locked Apprentice level chest containing minor loot.

[edit] Notes

  • You can pickpocket the Lexicon from From-Deepest-Fathoms. The quest proceeds normally except From-Deepest-Fathoms will not ask you to return it. The quest will activate as soon as it is in your possession even if you have not spoken with her.
  • If you return to From-Deepest-Fathoms in Riften, you will discover that she is now sane and has no more "memories". She will not even mention the Lexicon when you talk to her.

[edit] Bugs

  • A scene near the giant dwemer factory is missing, since the trigger for it is located outside of the map: ?
Breya: "The Lexicon had better be worth all this trouble."
Roots: "I assure you, it is. The knowledge contained in the Lexicon created everything you see around you."
Roots: "Properly controlled, it has knowledge enough to turn paupers into kings."
Breya: "You sure that's power we're meant to have?"
Roots: "Absolutely."
  • Due to a spelling error in the game code, the final scene near the Centurion will never play as intended. ? It described the death of Breya and how Fathoms escaped:
Fathoms: "I have the Lexicon! Where's the podium?"
Breya: "I can't hold these things! We need to leave!"
Fathoms: "I did not come all the way here just to walk out empty-handed."
Breya: "The way out is right there! Run, damn it!"

[edit] Quest Stages

Unfathomable Depths (MS04)
Stage Finishes Quest Journal Entry
10 A disturbed Argonian named From-Deepest-Fathoms was wandering the Riften docks. She wanted me to take something she referred to as a Lexicon back to Avanchnzel.
100 A disturbed Argonian named From-Deepest-Fathoms was wandering the Riften docks. She insisted I take the Lexicon she gave me back to Avanchnzel.
Objective 100: Take the Lexicon to Avanchnzel
900 I've returned the Lexicon given to me by From-Deepest Fathoms to Avanchnzel.
1000 Finishes quest
Unknown
Objective 10: Speak to From Deepest Fathoms
  • The following empty quest stages were omitted from the table: 0, 140, 150, 160, 190, 200, 210, 240, 250, 260, 290, 300, 310, 340, 350, 360, 390, 400, 410, 440, 450, 460, 490, 500, 510, 540, 550, 560, 590, 600, 610, 640, 650, 660, 690, 700, 710, 740, 750, 760, 800, 850.

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