Assassin’s Creed Valhalla has hidden endings that are linked with puzzles. You can anyhow reach the ending by playing all the main missions, but to get True Ending you have to follow a different path. This guide is about unlocking AC Valhalla Secret Ending, and if you want to learn about AC Valhalla’s true ending then hit the link. To unlock the Secret Ending you have to complete all 10 Animus Anomaly puzzles. These are simple puzzles where you have to control a beam of light to create a path. I am going to share all 10 Animus Anomaly Puzzle locations and with that, you can also learn about the secret of secret ending. [SPOILER ALERT].
How to unlock AC Valhalla Secret Ending (Ancient Memory)?
Before you start visiting every Animus puzzle best is to unlock the Fast Travel point in every nook and corner of England.
Animus Anomaly Location 1: Hultrholt (Norway)
Go to Hordafylke in Norway, located on the North-west corner of the map. The suggested power level is 280, complete this Animus Anomaly puzzle and return to England. All other 9 Animus are located in England in different regions.
Animus Anomaly Location 2: Needham Lake (East Anglia)
The second Animus Anomaly in the center of East Anglia is not tough to locate. Go to Needham Lake, and look for the puzzle piece near the river.
Animus Anomaly Location 3: Ledecestrescire
Exact on the center of the map look for Ravenothorpe. In this region, you will find the third Animus Anomaly puzzle. Use Ragnarsson Lookout as the nearest fast travel point and walk to the south side.
Animus Anomaly Location 4: Snotinghamscire
The fourth Animus is in Snotinghamscire. A 250 Power Level region and the Animus is located in the center area called Briudun Hill.
Animus Anomaly Location 5: Sciropescire
The fifth Animus is in Sciropescire. A 130 Power Level region and the Animus is located on the south border of the region – Quartzite Ridge.
Animus Anomaly Location 6: Isle of Wiht (Hamtunscire)
The sixth Animus is in Hamtunscire. A 340 Power Level region and the Animus is located on a mountain hill at the edge of the sea. If you had never visited this place, then you can unlock a fast travel point at the south end of Wessex.
Animus Anomaly Location 7:
The seventh Animus is in Lincolnshire. A 160 Power Level region and the Animus in the Basilica Ruins region. Just search for a wooden platform and climb up to interact with the anomaly.
Animus Anomaly Location 8: 
The eight Animus is in Eurvicscire. A 190 Power Level region and the Animus in the Thornburg Ilenges region.
Animus Anomaly Location 9:
The ninth Animus is in Oxenefordscire. A 90 Power Level region and the Animus near the lake. It is easy to spot.
Animus Anomaly Location 10:
The last and final Animus Anomaly is in the south end of England. It’s a far place if you had not unlocked a fast travel point.
A memory fragment is unlocked on solving every Animus Anomaly puzzle. Later in the end when you collect all 10 Animus Anomaly in AC Valhalla you will see a secret cutscene. It tells entirely a different story. Enjoy Valhalla’s secret ending, and if you want to unlock the true ending also then check the link or refer to our Valhalla Wiki guide for more details.
