Trial of the Morrigan is a mystery in Meath in Assassin’s Creed Valhalla.
Your task is to defeat the druids after getting hallucinations.
Here’s a walkthrough of Trials of the Morrigan in AC Valhalla.
Edited: There are plenty of Trials of the Morrigan in Ireland.
To begin the mystery in Meath, head to the location shown below, marked by the player location in green.
Begin the trial
Get to the altar in the middle of the pool of water and begin the trial.
Defeat the druids
You’ll then be required to defeat about 3 – 4 druids and also a bear.
The mystery ends after you’ve defeated them all.