Fly Agaric is a common mystery in almost all of the regions in Assassin’s Creed Valhalla.
There’s also one Fly Agaric mystery in Lincolnscire.
Here’s a guide on the Lincolnscire Fly Agaric mystery in AC Valhalla.
To begin the hallucination challenge, get to the location shown below, marked by the map marker.
Eat the Fly Agaric mushrooms to begin the challenge.
Defeat all the bears
This one is very straightforward. You just need to defeat around four to five bears.
The Fly Agaric mystery ends after the bears are dead.