Assassin’s Creed Valhalla Siege of Paris Diodurum Ruins Book Of Knowledge Location

A complete collection of Assassin’s Creed Valhalla guides for the trickiest World Events, Mysteries, Collectibles, and more—everything you need to know about the latest Assassin’s Creed video game. AC Valhalla is a 2020 action role-playing video game developed by Ubisoft Montreal and published by Ubisoft.

The game was released on November 10, 2020, for PC, PlayStation 4, Xbox One, Xbox Series X and Series S, and Stadia, while the PlayStation 5 version was released on November 12. It was followed by Assassin’s Creed Mirage, released on October 5, 2023.

World Events (Mysteries):

Offering Altars: 

Flyting Duels:

Roman Artifacts:

Books Of Knowledge:

Fly Agarics Mysteries: 

Hoard Map Treasures:

Gear Locations:

Ingot Locations:

Tips & Tricks: 

Ostara Festival Guides:

Wrath of the Druids DLC Guides:

Sigrblot Festival Guides:

Siege Of Paris DLC Guides:

Crossover Stories DLC Guides:

Dawn Of Ragnarok DLC Guides:

Updated November 9, 2023

Diodurum Ruins Ability should be the first Assassin’s Creed Valhalla Wealth you collect once you reach Melunois during your adventure in France as part of the Siege of Paris DLC.

That’s because the Assassin’s Creed Valhalla Diodurum Ruins Book of Knowledge we’ll cover in the guide below allows you to unlock the Golden Flame Ability, which can be used to attach explosives to enemies. Or to turn them into popcorn if you want.

Where To Find the AC Valhalla Diodurum Ruins Wealth

The AC Valhalla Diodurum Ruins Wealth is relatively easy to spot since it’s basically in the same place as the Fast Travel point you’ll need to synchronize. As you can see on my map below, you can find it in the northern section of Melunois, or the first area you’ll explore in France. Look for it north of Chartres Church, where the Not God Enough World Event can be completed.

AC Valhalla Diodurum Ruins Ability Location

How To Get The Diodurum Ruins Ability

Now, if you wonder how to get the Diodurum Ruins Wealth Ability in AC Valhalla, the very first step is to synchronize the said High Point. While standing on top of it, jump into the pond below. From here, dive and follow the underwater tunnel. When you reach the dead-end, swim up, and you’ll be inside the ruins.

Approach the door with the Hidden Ones logo and open it. You don’t need a key to do this—only Eivor’s Hidden Blade. In the next room, you’ll notice a gap in the floor. Jump into the water, then head right.

Keep following the next underwater tunnel, and you’ll need to turn left twice. Again, when you reach the other side, swim up and exit the water. Now, you’ll be in a small room with a breakable wall. Look around, and you’ll notice a red jar on the other side of the same room. Grab it, then throw it into the wall, as you see in my screenshot.

AC Valhalla Diodurum Ruins Wealth Location

Once you break the wall, the Dodurum Ruins Book Of Knowledge will sit right in front of you. You can also see it in the following screenshot; however, there is additional loot to be found here, the most important being the Diodurum Key on the right side.

AC Valhalla Diodurum Ruins Book Of Knowledge

How to Exit the Siege of Paris Diodurum Ruins

To exit the ruins, follow the door on the left side and start attacking the Rat Swarms. At the end of the corridor, climb the wooden shelf, then shoot the wooden box on the ground and the wooden wall.

Finally, climb the ladder on the left side, and you’ll see two shelves you can move. Push the small one to the right, pull the large one towards you, then push it to the left to clear the path. Now, look up, and you’ll see a wooden ceiling. Shoot it, then climb all the way back to the surface.

A complete collection of Assassin’s Creed Valhalla guides for the trickiest World Events, Mysteries, Collectibles, and more—everything you need to know about the latest Assassin’s Creed video game. AC Valhalla is a 2020 action role-playing video game developed by Ubisoft Montreal and published by Ubisoft.

The game was released on November 10, 2020, for PC, PlayStation 4, Xbox One, Xbox Series X and Series S, and Stadia, while the PlayStation 5 version was released on November 12. It was followed by Assassin’s Creed Mirage, released on October 5, 2023.

World Events (Mysteries):

Offering Altars: 

Flyting Duels:

Roman Artifacts:

Books Of Knowledge:

Fly Agarics Mysteries: 

Hoard Map Treasures:

Gear Locations:

Ingot Locations:

Tips & Tricks: 

Ostara Festival Guides:

Wrath of the Druids DLC Guides:

Sigrblot Festival Guides:

Siege Of Paris DLC Guides:

Crossover Stories DLC Guides:

Dawn Of Ragnarok DLC Guides:

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Vlad Susanu
Written by
Vlad Susanu

Founder and Senior Content Producer at GameClubz, Vlad is the former CEO of VGFAQ.com and Primewikis.com. He's been playing video games since 1994 and likes keeping up with the latest releases, increasing his collection of PlayStation trophies daily.

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