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I'm feeling much better now. I told Gran I wasn't gonna let some mole rat beat me.

Austin Engill is a child resident of Vault 81 in Fallout 4.


Austin's adoptive grandmother is Dr. Penske, who took him in after his parents died. He is described as having hair that is a "mole rat's nest"[1] by Horatio. The boy is friendly with many of the vault's residents, including Maria Summerset, who gives him extra helpings at the cafeteria. He is also the best friend of Erin Combes, with whom he goes to school.[2] They spend a lot of time together, though he rarely visits when her parents are home, due to their constant fighting.[3]

When the Sole Survivor first enters the vault, he will offer to give them a tour in return for five caps. Alternately, the Sole Survivor can persuade him to do it for free or decline.

Interactions overview

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This character is essential. Essential characters cannot be killed.
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This character is involved in quests.
  • Hole in the Wall: Austin is bitten by a diseased mole rat and the Sole Survivor can help by finding a cure. He will die if the cure is not given to him.
  • Vault 81 Tour: On the player character's first interaction with Austin, he will offer to take the player character on a tour of the vault for a price of five caps or for free if the player character successfully passes a Charisma check.


Apparel Weapon Other items On death
Vault 81 jumpsuit Bottlecaps, random food


His last name is revealed after completing the tour.


  • "Gran says I'm a bottomless pit when it comes to food."
  • "Someday, I'm going to check out the Commonwealth. If my gran lets me."
  • "I can't wait until I don't have to do school anymore."


Austin Engill appears in Fallout 4.


  1. Horatio: "Austin, that hair of yours is a mole rat's nest."
    (Horatio's dialogue)
  2. Sole Survivor: "You're Austin's best friend?"
    Erin Combes: "We've been friends forever. There aren't a lot of other kids in the vault."
    (Erin Combe's dialogue)
  3. Austin Engill: "Her Mom and Dad fight a lot, so I don't like to go in there when they're around."
    (Austing Engill's dialogue)