Nidaros Ancestral Cave is a hidden area with its entrance south-east of Nidaros. It is a level 18+ area and is associated with some of the quests in the Nidaros Celebrations questbook.
Here you will find:
- Undead Warriors (kill 10 as part of [18] Riding of the Marches; kill 15 for [18] Keeping The Dead Down)
- Undead General (fight as part of [18] Riding of the Marches)
- Vicious Yetisaurus