Birthrights is a main quest in Rygjafylke in Assassin’s Creed Valhalla.
Your task is to attend the Althing in Alrekstad as King Harald summoned Clan Raven.
Here’s a walkthrough of Birthrights in AC Valhalla.
Alrekstad is far north of Fornburg. The exact location is shown in the map below, marked by the quest symbol.
You can either get there via the tall mountain or by taking the longship and sailing one big round to reach it.
Once you’ve reached, leave the longship and find Sigurd.
You will be able to find Sigurd inside a tavern.
After the cutscene, follow Basim as he leads you to Gorm.
He’ll also teach you to put on the hood using the inventory wheel.
Enter Gorm’s cabin
Put on the hood and enter Gorm’s cabin. You should go through the side as they can still recognize you if you walk from the front.
Return to Sigurd
After the meeting with Gorm, return to Sigurd at the Althing.
Enter the building to trigger the cutscene.
Kill him, banish him or you decide
You’ll then be asked whether you should kill Gorm, banish Gorm or King Harald will decide.
Even if you choose kill him, Harald will disagree and choose to banish him. If you ask him to decide, he’ll choose banish. Whichever you choose, the answer is the same.
The quest ends here.