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I know you're from the Institute, so where's Kellogg? Huh? Trying to sneak up on me while you distract me? It's not going to work! I'm not stupid, I knew they'd send him after me!Brian Virgil

The Glowing Sea is a main quest in Fallout 4.

Quick walkthrough[]

Main Quest: The Glowing Sea 
Travel to Edge of the Glowing Sea
Walk to the southwest, following the road, until you reach Crater of Atom
(Optional) Talk with Mother Isolde 
Head southwest to the rocky cave
Talk with Brian Virgil
Reward: 350+ XP 
Leads to: Hunter/Hunted
Virgil's Cure 

Detailed walkthrough[]

Kellogg's memories and Doctor Amari's advice indicate that the Sole Survivor should locate an escaped Institute scientist, Virgil. His last known position was deep in the most irradiated region of the Commonwealth, the Glowing Sea.

Travel to the Edge of the Glowing Sea and head southwest, following the remains of the freeway until the Pip-Boy indicates a hike off-road is in order. Expect to face deathclaws, radscorpions, feral ghouls and other irradiated wildlife. Upon reaching the map marker, the Sole Survivor will find themselves close to the Crater of Atom, a site holy to the Church of the Children of Atom.

Upon entering the location, the Children's leader, Mother Isolde, will inform the Sole Survivor that they are trespassing. Though violence is always an option (search the area for a scrap of paper indicating a nearby cave), it is possible to lower one's weapon and speak to Mother Isolde instead. Answer her questions politely, and she will give directions to a rocky cave nearby.

Locate the rocky cave roughly southwest of the Crater of Atom, being wary of the roaming deathclaw in the area. Virgil will be found inside this cave. He requests that the Sole Survivor help him locate a serum within the Institute, in return for his knowledge.

Quest stages[]

Quest stages
StageStatusDescriptionLog Entry
10 Talk to Doctor Amari
15 Enter the Glowing SeaI need to find Virgil, the escaped Institute scientist, somewhere in the Glowing Sea and hope that he can help me reach the Institute.
20 Find Virgil in the Glowing SeaI need to find Virgil, the escaped Institute scientist, in a cave southwest of the crater in the Glowing Sea and hope that he can help me reach the Institute.
50 Virgil gives information on Courser
200Quest finishedQuest completeI spoke with Virgil, an Institute scientist who willingly turned himself into a Super Mutant to escape. He's told me that the key to teleporting into the Institute is a chip from an Institute Courser. I'll need to track one down and kill it.

Notes[]

  • When entering the rocky cave be sure not to destroy any of Virgil's defenses. Any defenses destroyed prior to returning to complete the quest will result in failing the quest when returning with the serum. Virgil will immediately turn hostile upon one's return in this case.
  • Because of the radiation level, using furniture to wait in the crater area is not possible.
  • Mother Isolde is not marked as essential, so if she dies, the quest marker will be stuck on her for the remainder of the quest.

Bugs[]

  • PCPC Upon entering the cave, Virgil is not there. The marker for finding him points to the ground. This may be the result of having visited Virgil's cave prior to the quest. [verified]
    • On PC, using console command prid 6b505 and then enable may force Virgil to appear in the cave.
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