Bargaining with Shadows
Bargaining with Shadows is a quest for level 45. It is step 7 of 13 in the Imp Mother Challenge storyline. It rewards 775 experience and money.
Description
From the clues you've been able to piece together, it appears that Levia was looking to conduct a ritual in the libraries beneath Dalaran - most likely to summon this "Agatha" she has become so infatuated with. I'm afraid this is a little out of my area of expertise, so I'm going to have to call in a favor.
I'll send for assistance from the Council of the Black Harvest. One of their warlocks will meet you in the Chamber of the Guardian to assist with your investigation.
I hope we're not too late.
