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Picking Up the Trail

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The Enclave. They've attacked Project Purity. James is dead... there may be more. I don't know. You have to do something!

Doctor Li when first speaking to Elder Lyons

Picking Up the Trail is a main quest in Fallout 3. It is also an Xbox 360/PC achievement and a PlayStation 3 Trophy.

Quick walkthroughEdit

Main Quest: Picking Up the Trail
Escort Doctor Li inside the Citadel.
Ask Scribe Rothchild for computer access.
Learn of Vault 87 and ask Rothchild about it.
Gain access to Little Lamplight.
Pass through Murder Pass.
Access the terminal to the reactor chamber.
Enter Vault 87.
Reward: 800 XP
Leads to: Finding the Garden of Eden

Detailed walkthroughEdit

Escort Doctor Li inside the Citadel.Edit

Picking Up the Trail begins after Doctor Li speaks to Elder Lyons through the intercom, and the front gate to the Citadel is opened. The first objective is straightforward; escort Dr. Li inside the Citadel. There is no fighting, just follow her through the door to the Citadel Courtyard, which is directly across from the front gate. Upon entering the Citadel Courtyard, Elder Lyons approaches and Dr. Li speaks with him about Project Purity and what recently transpired, and requests his help. At this point, Dr. Li and the three men that were being escorted are no longer in the Lone Wanderer's care, and the objective is completed. It is now possible to ask Elder Lyons for permission to begin training to wear power armor, and he will consent.

Ask Scribe Rothchild for pre-War computer access.Edit

The next objective is to ask Scribe Rothchild for pre-War computer access. He is located in the Citadel laboratory. Proceed across the courtyard to the Laboratory door in the southwest corner of the courtyard. Then go speak to Rothchild, following the map marker to find him. He will give permission to use the Vault-Tec computer terminal in the Archives, located in the A ring. Whilst in the lab, make sure to grab the copy of Duck and Cover! from the bathroom.

Use the Vault-Tec computer in the Citadel Archives to locate a G.E.C.K.Edit

Up the stairs to a door in the southeast corner of the Laboratory, leads to the Citadel - A Ring. Once in the A Ring, head right to the Vault-Tec computer on the south wall. When going through the information on the vaults, the Lone Wanderer finds out that Vault 87 was issued a G.E.C.K. under the non-standard equipment list. This objective is now finished. While here, make sure to grab the copy of Guns and Bullets, which is in the room called 'the Den.'

Ask Scribe Rothchild for information about Vault 87Edit

Follow the map marker to Scribe Rothchild. He may be in the courtyard. When asked about Vault 87, he says that he will tell reveal where it is. Follow him to the wall map in the Citadel Laboratory. There he tells states that Vault 87 can't be entered through the main entrance because of lethal radiation levels. A back entrance through Lamplight Caverns must be found. Map markers for all of the other vaults except Vault 112 (accessed via Smith Casey's garage), will also be received.

Lamplight CavernsEdit

See also: Little Lamplight, Rescue from Paradise

Once Lamplight Caverns is found and entered, Mayor MacCready will stop the Lone Wanderer at the gates of Little Lamplight. It is possible to convince the mayor to let him/her in with a Speech challenge or with the Child at Heart perk. Failing that, the only way into Little Lamplight is to complete the Rescue from Paradise side quest.

Once in Little Lamplight, there are two ways to get to Vault 87:

  1. Passing through super mutant infested Murder Pass; if choosing this option, first speak with Mayor MacCready or Princess to get the gate to Murder Pass open.
  2. Asking Mayor MacCready about alternate paths will reveal a locked back door to Vault 87. Joseph must be asked to restore power to the computer terminal before it can be used. The door and terminal (average difficulty) are located in the Great Chamber.

Quest stagesEdit

StageStatusDescription
5 Escort Doctor Li inside the Citadel.
10 Ask Scribe Rothchild for pre-war computer access.
20 Use the Vault-Tec computer in the Citadel Archives to locate a G.E.C.K.
30 Ask Scribe Rothchild for information about Vault 87.
40 Search Lamplight Caverns for a way into Vault 87.
50 Gain entrance to the town of Little Lamplight.
60Quest finishedIcon checkEnter Vault 87.

NotesEdit

  • Both methods of entering Vault 87 lead to exactly the same room. The back door allows the saving ammunition, medicine, and weapon condition, which is advisable for the next quest (but gives less experience and loot).
  • Console-unlocking the way into Vault 87 without doing the main quests that lead up to it will bug the main quest; an older save will have to be loaded in order to complete the game.
  • If MacCready is forced to hand over his fungus share by means of a speech challenge he will still be willing to open the gate.
  • When the Lone Wanderer is ready to enter Vault 87 through the backdoor, it is advised to speak to MacCready about the other options when first entering Little Lamplight. It's not especially necessary but it might take a long time to find him when he is needed.
  • The Lone Wanderer can skip asking Rothchild about the location of Vault 87 and go right to Little Lamplight and ask MacCready about accessing the vault.
  • If arriving at Little Lamplight before completing The Waters of Life, it is possible to get inside the caverns but the option to ask MacCready about how to get into Vault 87 will not be available.

BugsEdit

  • pcIcon pc It's possible that this quest will be considered "completed" and begin the next quest before ever entering Vault 87. This can be a problem if this occurs before asking MacCready to open the gate to Murder Pass and/or Joseph to restore power to the computer console, as the dialog options that prompt them to perform these tasks are no longer available after the quest is completed. Thus there is no way into Vault 87 at this point. In the PC version, however, one can use the console command tcl to switch off collisions, which will allow simply walking through the gate blocking the way to Murder Pass. Once on the other side of the gate, use the tcl command again to re-engage collisions and then proceed on into Murder Pass. [verified]
  • pcIcon pc Scribe Rothchild may disappear from the Citadel, preventing the player from being briefed and advancing the quest. This can be fixed by using the console command player.placeleveledactoratme 000156ea. [verified]
  • xbox360Icon xbox360 Talking to Rothchild when he is in the A Ring instead of the Laboratory may result in a bugged and broken quest. Making him unconscious by shooting him can sometimes fix this. [verified]
  • pcIcon pc ps3Icon ps3 xbox360Icon xbox360 In some instances Rothchild will tell the Lone Wanderer to follow him then make no effort to move, even under duress. To fix this, reload and approach Rothchild at a different time of the day — preferably when a non-player character is talking to him and his back is turned — then begin the dialogue again. Other options are to push him until he is near the wall directly on the left of the door leading to the Mess Hall, or to drag Rothchild's body to the desired location by knocking him unconscious, or to disable then re-enable him using the console. [verified]
  • xbox360Icon xbox360 ps3Icon ps3 Sometimes Rothchild will disappear after the Lone Wanderer reads the Vault-Tec computer. The quest arrow will point to the middle of nowhere. [verified]
  • pcIcon pc When MacCready grants access to Little Lamplight, the dogs and children may immediately be hostile, making the quest impossible to complete. [verified]

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