Korvanjund

Korvanjund is a ruin of the mighty fortress it once was. It is now home to many, many Draugr. Inside the Halls of Korvanjund you will find Imperial Soldier and Draugr. You will also find the Dragon wall which contains the dragon shout Slow Time and in the same room as the wall you will the Jagged Crown which is a quest item, but can also be sold for 5000 gold coins, but the quest will then be marked as failed.

How to solve the puzzles inside Korvanjund Halls.
To active the first key hold you will need the Ebony Claw and then put the symbols : Wolf-Bug-Dragon and then it will open. In the next room you need to find a lever. It is located on your left side after you cross the bridge on the second floor.