The Bone Witch
You can find " The Bone Witch "in Hotunheim. She will give you most of the quests of " Jotunheim ". The last step of the quest line is the " Battle at Valhalas "quest series.
Turn in 1 and then accept 2
When completed quest 2, you can get "Vrykul Bone"and use it to exchange buff items with the Bone Witch.Turn in quest 2 and then accept 4.Go into the Underhalls, you can accept quest 3 from Bethod Feigr.
Turn in quest 3 and then do quest 4.
Apprentice Osterkilgr, mob of quest 3, will drop a book called "Dr.Terrible", which will activate quest 5
Turn in 4.5, and then accept 6
5-person-team quest, two players could try to do it. This is an optional quest.
5-person-team quest, optional
The following 6 quests are 5-person-team quest,, which is optional
You can skip these 5-person-team quests, just go to the next stop Death's Rise.