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==Notes==
 
==Notes==
  +
* It is possible to skip the entire first interior section of the ArcJet investigation by using a glitch to go immediately to the Engine Core. As soon as you enter the first hallway, you will notice a collapsed ceiling that appears to have blocked off the hallway to the left. You can actually jump through the small gap, continue around the corner and down the stairs to the right, and you will find yourself at the Engine Core door. This is a good way to save a lot of ammo and time if you don't feel like fighting a lot of synths. The quest continues normally.
 
* Another terminal can be found to the left of the locked terminal with the password inside if the player does not have the ability to hack advanced terminals.
 
* Another terminal can be found to the left of the locked terminal with the password inside if the player does not have the ability to hack advanced terminals.
 
* Copy of Tesla Magazine can be found upstairs next to the CEO's terminal.
 
* Copy of Tesla Magazine can be found upstairs next to the CEO's terminal.

Revision as of 03:42, 8 March 2016

 
Gametitle-FO4
Gametitle-FO4

Call to Arms is a Brotherhood of Steel main quest in Fallout 4.

Quick walkthrough

Brotherhood of Steel main quest: Call to Arms 
Speak to Paladin Danse
Follow Paladin Danse to ArcJet Systems
Follow Paladin Danse inside ArcJet Systems. 
Speak to Paladin Danse. 
Follow Paladin Danse. 
Find a way to open the door. 
Provide fire support for Paladin Danse. 
Follow Paladin Danse to the Arcjet engine core room. 
Restore auxiliary power to engine core. 
Defeat the ambush 
(Optional) Activate the engine core's rocket. 
Clear the control room. 
Retrieve the deep range transmitter. 
Exit Arcjet systems. 
Speak to Paladin Danse. 
Reward: 350 XP
50 bottlecaps
Righteous Authority
Brotherhood of Steel membership 
Leads to: Semper Invicta 

Detailed walkthrough

Paladin Danse asks you to follow him to ArcJet Systems where he hopes to get his hands on a deep range transmitter to repair the Brotherhood of Steel communications array.

Once you've agreed to assist Danse, he will order Scribe Haylen and Knight Rhys back into the police station. Follow them into the police station, where Danse offers you the option to "resupply yourself" i.e. grab everything good in sight. After optionally talking to Scribe Haylen or Knight Rhys, tell Danse that you're ready to head out.

Follow Paladin Danse west to the abandoned ArcJet Systems building. Alternatively you can simply meet Danse at ArcJet Systems, but by doing so you will likely miss scripted encounters along the way, and along with them the opportunity for loot and XP. As Danse first reaches the river shore road, you will find a pile of ghoul and raider bodies which was not there before, along with two active frag mines. Then, a group of raiders will be found ambushing some traders under the railroad bridge: after the fireworks are over, the pack brahmin in particular usually contains excellent loot. Note that these bodies will all despawn as soon as you leave the area, so your only chance to obtain this loot is during the trip to ArcJet. Further along, you may be attacked by various local dogs and insects before finally reaching the ArcJet building.

After a chat about the transmitter and automated security, provide fire support for the Paladin. He is dismayed to discover the presence of Institute Synths. Head into the lab analysis room.

Here you have the option to: Hack (Advance) into the lab control terminal or use the lab analyst's terminal to receive the lab control terminal password.

Use the lab control terminal to open the door, and the two of you will now begin fighting your way through numerous synths. When you reach the second floor corridor just outside the CEO's office, you can fight through the turret-lined hallway with Paladin Danse, or head into the server room nearby and use the terminal to disable them. Follow Paladin Danse to the elevator leading down to the ArcJet engine core.

Paladin Danse and you need to reach the top of the engine core in ArcJet Systems, but first you will have to search for a way to restore power to the access elevator. You can access the facilities terminal (Novice) and hacking it. Start the auxiliary generators before returning to help Paladin Danse with his synth problem.

Alternatively you can press the Engine Start button on the Engine Core panel and watch the synths fry, noting that waiting longer before frying the synths will result in a higher body count for subsequent looting. Check on Paladin Danse, who will prove stunned-but-unhurt by the rocket blast, and then head to the elevator and ascend.

Battle to the control room and secure the Deep Range Transmitter off the corpse of a synth then leave the facility via the control room elevator. Outside, Danse will reward you with Righteous Authority and offer you the chance to join the Brotherhood. Whether you join or not at this time, he will subsequently be found back at the Cambridge Police Station, where additional quests can be obtained from him, Haylen, and Rhys if you do choose to join.

Quest stages

StageStatusDescription
10 Speak to Paladin Danse
20 Follow Paladin Danse
30 Arrive at ArcJet - Get inside
90 Found synth evidence
140 Door opened, trigger synth ambush
200 Locate DRT
250 Restore Auxilary Power to Lab
265 (Optional) Activate the engine core's rocket
270 (Optional) Assess Paladin Danse's condition
290 Clear the control room
310 Retrieve the deep range transmitter
320 Exit ArcJet Systems
360 Speak to Paladin Danse
455Quest finishedQuest complete - Waiting/Refused
555Quest finishedQuest complete - Joined
655Quest failedQuest failed

Notes

  • It is possible to skip the entire first interior section of the ArcJet investigation by using a glitch to go immediately to the Engine Core. As soon as you enter the first hallway, you will notice a collapsed ceiling that appears to have blocked off the hallway to the left. You can actually jump through the small gap, continue around the corner and down the stairs to the right, and you will find yourself at the Engine Core door. This is a good way to save a lot of ammo and time if you don't feel like fighting a lot of synths. The quest continues normally.
  • Another terminal can be found to the left of the locked terminal with the password inside if the player does not have the ability to hack advanced terminals.
  • Copy of Tesla Magazine can be found upstairs next to the CEO's terminal.
  • In the arc section, there is a segment of stair only accessible by falling from the top floor. Walking in triggers some synths to spawn. There is also a locked terminal which requires the ability to hack master level terminals and a Fat Man. (This section can also be reached by climbing onto the railing to the left of the doorway, and taking a running leap to the left.)
  • In the maintenance wing off of the arc room, there is a Junk Jet on top of the table in the lighted room. There is also a holotape on the same table.
  • There is an expert safe near the beginning of ArcJet that has a nearby terminal for unlocking it. You can unlock the safe with lockpicking, use the terminal to re-lock it, and continue this experience loop as long as you like.
  • After you restore auxiliary power to the engine core you can hold off indefinitely helping Danse with the synths. As Danse is game immortal the bodies will pile up allowing you to pocket a lot of fusion cells and Institute pistols. If left long enough fps may take a hit in that room but if you activate the engines many of the bodies will be reduced to ash piles solving this. Saving and reloading after activating the engines may cause the loot in these ash piles to be inaccessible so be sure to collect it all before moving on.

Bugs

  • After Paladin Danse notes that there are turrets up ahead, he might turn around and head back in the direction you came, eventually coming to a stop and not moving at all. To get the quest to progress, destroy the turrets, and Danse will resume heading in the direction he is supposed to.
  • PCPC If this quest is not completed before Reunions and The Prydwen shows up, it will trigger a glitch that not all Brotherhood vertibirds and patrols will spawn correctly.
  • After you finish the quest and head into the service elevator, the elevator door might not open, leaving you stuck in there.
  • PCPC The terminal found in the room with the Fat Man is mislabeled as an Expert level hack, when in reality it is a Master level.