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Forbidden Knowledge (Far Harbor)

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For the quest of the same name in Fallout 76, see Forbidden Knowledge.
Forbidden Knowledge
Quest data
LocationThe Institute
Given ByWilliam Moseley
Editor IDDLC03Acadia_Institute
Base IDxx013f3a
Related quests
Far From Home
leads to:

Forbidden Knowledge is a quest in the Fallout 4 add-on Far Harbor.


By reporting the location of Acadia to William Moseley at Institute Advanced Systems, a recovery team will be sent to Acadia, with a compiled list of synth shutdown codes. The Survivor is asked to support their work.


  1. Travel to the Institute staging area just south of Rayburn Point.
  2. Talk to Moseley. Wait for him to fire up the relay and for hum to give orders.
  3. Head to Acadia. Shoot everyone except for your Institute allies. Named synths will be knocked down for recovery. As usual, watch out for Chase and her assault rifle.
  4. Once everyone's down for the count, talk to Moseley. He and the captured synths will relay back home and it's mission accomplished.

Quest stages

100 Speak to Dr. Moseley.After informing the Institute about the existence of Acadia, a team was sent to the island to deal with the situation. I need to check in with Doctor Moseley, and let him know it's time to reclaim the escaped synths.
200 Subdue the synths in AcadiaAfter informing the Institute about the existence of Acadia, a team was sent to the island to deal with the situation. It's time to reclaim the escaped synths; once I arrive at Acadia Institute forces will join me.
400 Speak to Doctor MoseleyAll of the escaped synths in Acadia have been successfully subdued by Institute forces. I need to check in with Doctor Moseley.
500Quest finishedQuest CompletedAfter being informed of Acadia's existence, a team from the Institute has successfully re-captured all of the escaped synths living there. They will be re-purposed and put to work once more.
1000Quest failedQuest Failed
Fallout 4 quests