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Fallout 4 Game Guide & Walkthrough by

Fallout 4 Game Guide & Walkthrough

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Vault 81 quest Fallout 4 Guide

How to unlock: after reaching the Vault 81 (M6,3).

Entrance to the crypt - Vault 81 quest - Side quests in Vault 81 - Fallout 4 Game Guide & Walkthrough
Entrance to the crypt

Once you enter inside the crypt, try to open the door by using the Pip-Boy. The security will answer and, after short negotiations, they will agree to let you in. However, first you must deliver 3 Fusion Cores.

Example locations from Sector 1, where you can find the cores without having to fight powerful enemies:

  • USAF Satellite Station Olivia,
  • Bandits' camp under the Lonely Chapel on the southwest of the Sector,
  • A small cave hidden under the gas station (where you have found Dogmeat) in front of the Concord.

Quest rewards: Experience, 100 bottlecaps and access inside the crypt where other quests are available.

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