At least one person must have completed The Everling Lockets access quest in order to to open all the doors to get to Lord Everling. You can do the access quest on your way to Everling while you're there.
At least one person must have completed The Everling Lockets access quest in order to to open all the doors to get to Lord Everling. You can do the access quest on your way to Everling while you're there.