A Thief in the House of Blades

Starting the Quest
Obtain Service Entrance Key, Blades, which is dropped by a palace sweeper and examine it
 * Must have started the quest Welcome to the Peacock Club

Steps

 * Inside The Court of the Blades
 * Zone in at (8, 149, 92). You are now on a 4.5 min timer.
 * Inspect glass frame (1st floor)
 * Inspect the book (2nd floor)
 * Inspect the picture (2nd floor)
 * Inspect the scroll (1st floor)
 * The historians:
 * Kill a Blades Historian outside The Court of the Blades. He roams.
 * Inspect a skeleton at (-997, -96, -1200), near the Bay of Anuk. A solo group of dervish will attack you. They don't always drop they key.  If the first group doesn't drop it, wait five minutes, reexamine the bones kill next group.
 * Kill Alliz lizards near Twin Tears to get the update for historican Kaldara
 * The banner:
 * Re-enter The Court of the Blades (Service Entrance). This time you are not on a timer.
 * Go fetch the banner
 * Exit using the service exit

Rewards
the Cutthroat Banner of Blades