Coldain Hero's Insignia Ring

Steps

 * 1) Gain access to Tower of Frozen Shadow (x2)
 * 2) Speak with the Bookkeeper once inside on the 1st Floor.
 * 3) Defeat the Librarian to open the doors to the outside rooms.
 * 4) All 4 updates can be found in same room which is down the hall to the right closest to the start of Floor 2(library).
 * 5) More than likely you'll have to clear the way down the hallway, i.e. the trash mobs that spawn if you touch them.
 * 6) Report back to the Bookkeeper.
 * 7) She sends you to talk to the Dain inside Thurgadin, throne room.