Mechanist (Automatron)

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For the Fallout 3 character, see Mechanist (Fallout 3).
For the radio character, see Mechanist (Fallout 4).
Gametitle-FO4 AUT
Gametitle-FO4 AUT

Now you'll face the full might of the Mechanist! Come my robots, let's finish this.

The Mechanist (real name Isabel Cruz), is a robotics expert staying in the Commonwealth in 2287.


Always talented with robotics, Isabel Cruz descended from a settlement plagued by raiders and super mutants.

Inspired by drawings of the comic books and radio show character, The Mechanist, Isabel decided to use her skills for the betterment of the Commonwealth. Discovering a pre-War factory originally run in a juncture of private industry and the military, she set her plan in motion. Using the factory, she began constructing her robot "allies" to help the people of the Commonwealth, pacifying areas by killing raiders and other hostiles. However due to a logic error made by her Robobrain lieutenants, these robots would kill everyone they encountered. This led to an attack on Ada's caravan, resulting in their call for help across the Commonwealth.

She created the Mechanist persona due to her social ineptitude.

Interactions with the player characterEdit

Interactions overviewEdit

General Services Quests
Essential: noIcon cross
Companion: noIcon cross
Perk: noIcon cross
Merchant: yesIcon check
  • Sells various items, including shipments
  • Caps: 200
Doctor: noIcon cross
Rents bed/room: noIcon cross
Starts quests: yesIcon check
Rogue Robot
Involved in quests: yesIcon check
Restoring Order


  • Restoring Order: The Sole Survivor confronts her and can either kill or save her. If things are resolved peacefully, she will remove her armor and offer it as a reward to the Sole Survivor.
  • Rogue Robot: If spared at the end of Restoring Order, she will request that the Sole Survivor hunt down one of her marauding machines.

Effects of player's actionsEdit

If Restoring Order is finished peacefully, Isabel will remain at the Mechanist's lair.



  • She has unique dialogue if the Sole Survivor is wearing the Silver Shroud costume, during the final confrontation.
  • If the Sole Survivor decides to let her live, she will then remain at the lair and cannot be moved to any other settlement. She does not count as a settler and does not require any resources.
  • Isabel shares many traits with the previous Mechanist, Scott "Bean" Wollinski. Both have skill with robots and sought out to make the wasteland safer but in actuality caused more harm than good. Both can also be spared and if spared realize the outcomes of their actions and seek out to heal what damage they caused. Both also have hidden bases in seemingly normal stores. Both of them were influenced by Derek Pacion on becoming The Mechanist who they all thought was a superhero, but there were two different ways on how they were influenced by Derek. Scott mourned his favorite robot when it was destroyed beyond repair by The AntAgonizer, after that Derek, who personally knew Scott, talked to him and convinced him on fighting back as The Mechanist. Isabel was influenced when she came across some posters of The Mechanist recognized as a hero, which were made by Derek and they have his initials on the back.
  • She will sometimes spawn in the hidden room at the end of the hallway, so if one can't find her, try opening the door by pressing the button on the drinks machine.

Notable quotesEdit


The Mechanist appears only in the Fallout 4 add-on Automatron.


  • pcIcon pc ps4Icon ps4 xboxoneIcon xboxone Upon first encountering her, she may immediately become hostile. This may be caused by the targeting HUD mod.[verified]
    • This may be fixed by removing any item with the targeting HUD mod.
  • pcIcon pc After the power goes out at the end of the fight, she may become immobile and won't initiate dialogue, never triggering emergency power.[verified]
    • This can be avoided by NOT shooting out the spotlights just before triggering the end showdown.
    • Alternatively, one can save and exit the game, then load up the recent save, and the fight should begin.
  • pcIcon pc xboxoneIcon xboxone If you are too powerful and kill the robots too fast, the factory will run out of robots before the power drains out leaving you in a state where the Mechanist sends only mines, bombs and power discharges.[verification overdue]
    • This can be avoided by using weaker weapons or waiting before killing them. The point is to keep at least one robot alive until the power drains out.
  • pcIcon pc Game may freeze when you try to access the console after getting password from her.[verification overdue]
    • This can be avoided by killing the two robots that sit above the console and block the Sole Survivor from correctly looking to the console screen.
    • Alternatively, one should get as close to the console as possible (into the space between the robots above it) before interacting with it.
  • xboxoneIcon xboxone While wearing the Silver Shroud hat and armor, the Mechanist won't initiate the Silver Shroud-specific dialogue. [verification overdue]
    • A possible fix is to look away from the Mechanist, unequip and re-equip the Silver Shroud costume.



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