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Assassin's Creed: Valhalla

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Roman Excavation - Gisacum Ruins

Scott Peers

How to Find the Gisacum Ruins Key for the Roman Excavation

The Gisacum Ruins are slightly different than the other two ruins, since you’ll need to avoid or kill some Frankish soldiers to get inside. As you approach the ruins, use your raven to scout them and look for the breakable wooden barrier on the ground. You can destroy this and then jump down the hole to another door which can only be opened with your Hidden Blade. You should be able to avoid the nearby Frankish soldiers relatively easily, but there aren’t too many to be concerned about if you’d rather kill them.

Once you’ve interacted with the bureau door, go inside and run to the left (western wall) to find a wealth chest containing a Tungsten Ingot. You can then run to the right side of the room (eastern wall) to find the Gisacum Key in the corner. If you’re not bothered about getting the Book of Knowledge further up, you can leave at this point and return to the bureau in Paris. However, if you want the Plague of Rats special ability, you can take a fire pot from the western wall and use it to destroy the breakable barricade at the northern wall. Through here you’ll find another breakable barricade which can be destroyed with a fire pot or the Incendiary Powder Trap special ability. You’ll find the Book of Knowledge in the rubble beyond this wall.

(1 of 9) The location of Gisacum Ruins, northwest of Paris.

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Guide Information
  • Publisher
  • Platforms,
    PC, PS4, PS5, XB One, XB X|S
  • Genre
    Action RPG
  • Guide Release
    10 November 2020
  • Last Updated
    11 November 2023
    Version History
  • Guide Author

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