Thorn of Slumber Book of Knowledge Location | Assassin's Creed Valhalla

This page is about the Thorn of Slumber Ability in Assassin's Creed Valhalla (AC Valhalla). Read on to learn Book of Knowledge location and how you can get it in the game.

Thorn of Slumber Information

Thorn of Slumber (AC Valhalla)Thorn of Slumber
Description An arrow marked with svefnthorn symbol put targets to sleep almost instantly.
Upgrade On impact, arrows expel a cloud of poison, putting anyone nearby to sleep.

Thorn of Slumber Ability - Location and How to Get

1st Location - Norway, Rygjafylke

Map View Overworld View

How to get:

You can find the Book of Knowledge for this ability in the middle tower of Gryttirsand. Climb to the 2nd floor of the tower, break the wood blocking the ladder, and head down to get the Book of Knowledge.

2nd Location - England, Cent

Map View Overworld View

How to get:

Find Dover Fortress on the eastern part of Cent and head there. Find the highest location in the area to see the Book of Knowledge. You can find the Book of Knowledge in a locked building. Get the key on top of the tower, just behind the building where the Book of Knowledge lies. Use it to open the door and get the Book of Knowledge.

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