You need to be at least Level 99 to receive this quest. You need to be at least Level 90 to turn-in this quest.
Summary
Use the Fluctuation Sensor (Bespoke) to get data on the Fluctuations in the Necropolis from the 4 marked locations.
Notes
Spoiler Alert! We have some more information about how to perform this quest but recognize you might want to try it on your own before we tell you the secret...
The ground sparkles but shows no other visible mark.
South of the path to the Tomb of Souls doorway. The opening of the structure closest to camp. A Necropolis Devourer Demon (Elite) is standing on the spot at 66.1, 33.9
South of the door to Tomb of Souls, at ( 70.3, 36.0 ). This is the bad one. You will need to clear 2 Elites (a Necropolis Devourer Demon and a Necropolis Mage Guard) with several lesser mobs. IF your pet is a moron, he will pull both elites at the same time.