Speak to a Blades soldier on the top level of The Clefts of Rujark ( 116, 52, -76 ) Copy/waypoint 116, 52, -76
In the Sinking Sands' croc caves, enter Lockjaw's Lair ( -1105, -219, -678 ) Copy/waypoint -1105, -219, -678. Kill Jafi Nsir (55^^, worth AA) and his 3 55v Tears assassins.
You cannot respawn inside the zone - if you do the assassins will attack you instantly again.
The lockout timer for Lockjaw's Lair is 12 hours unless you defeat Lockjaw the Ancient, then it's 5 days 20 hours (as of Sept 2017, DoF zones are instances so no lockout - minimum duration for defeating Lockjaw is 2 days 20 hours)
Exit the lair and speak to a Blades warrior across the water ( -1168, -215, -667 ) Copy/waypoint -1168, -215, -667
Go to the docks for auto-update
Speak to Honest Ali at the tent ( -1450, -225, -381 ) Copy/waypoint -1450, -225, -381
Go to (but do not enter) the front door of the Blades Court ( -16, 152, 118 ) Copy/waypoint -16, 152, 118
Speak to Captain Aziz behind you ( -53, 149, 140 ) Copy/waypoint -53, 149, 140
Access Court of the Blades: Dukarem's Assault: The Ability to zone into Dukarem's Assault by clicking on the door of the Court of the Blades. Instance has an 18 hour success lockout.