Lincolnscire has 10 Mysteries in the region but none of them is missable. Unlike Mysteries, there are two missable Wealth items that you can find in Jotunheim.
For the unversed, Mysteries in AC Valhalla can be recognized by blue icons on the map upon synchronizing the viewpoint. There are several types of Mysteries in Assassin’s Creed Valhalla — Cairns, Flytings, Animus Anomalies, Legendary Animals, Offering Altars, Lost Drengrs, Daughters of Lerion, Fly Agarics, Standing Stones, Treasures of Britain and World Events.
Lincolnscire Mysteries Locations & Guide
Mystery #1: World Event (The Twit Saga, Part II)
When you follow him, you will again come across a bunch of enemies that you will have to kill. Once you killed all of them, talk to the man again to finish the Mystery.
Mystery #2: World Event (The Farewell Meow)
This Mystery can be found in the West of Grimsby. When you get there, you will have to speak to a lady standing near the broken trunk. You will have to help her building a shrine. After doing so, go into her house and interact with the bowl on the floor. Then, move to the platform to the left and have a conversation with the toy bone. After collecting the blanket from the house, go back to the shrine and talk to the woman to finish this Mystery.
Mystery #3: Legendary Animal (Gemad-Wulf)
Mystery #4: World Event (Stray Naps)
This Lincolnscire Mystery is found in the South of Spitalgate. You need to get close to the sleeping man and interact with the note on the ground. The man should be returned to his wife in Grimbsy. To do so, carry the sleeping man and head over to Grimbsy. After reaching the location, put down the body of the man and interact with his wife to complete the mystery.
Mystery #5: World Event (The False Ealdormancy)
This Mystery is located in the east of Aelfgarstun in AC Valhalla. You will find a note on the trunk. After waiting for a while, a man will appear on a horse. The horsemen will bring one more man along with him. You need to kill the man the horseman brought with him to complete this Lincolnscire Mystery.
Mystery #6: World Event (The Ignominious Bandit)
This Mystery is found in the east of Lincoln. When you have a talk with the man at this location, a bunch of enemies will come to kill you. You need to kill everybody including the man who you had a talk a while ago.
Mystery #7: World Event (Little Victories)
This Lincolnscire Mystery can be found in the far-east of Lincoln. You will have to talk to two NPCs at this location and kill all the bandits that are creating havoc in the region. After killing all the Bandits, return to the duo to complete the Mystery.
Mystery #8: Animus Anomaly
This Mystery is found in the north-east of Medeshamstede Abbey. When you get to this location, you need to complete the platforming challenge.
Mystery #9: Fly Agaric
This Mystery can be found in the north-west of Medeshamstede Abbey. To complete this Mystery, you simply need to kill all the bears at this location.
Mystery #10: World Event (King of Shitsby)
This Lincolnscire Mystery is found in the north of Medeshamstede Abbey. When you reach this location, you will hear a sound coming from inside the ruins. Go into the church and interact with the throne. Upon selecting any dialogue option, you will be attacked by a bunch of enemies. You need to kill all of them to complete this mystery.