It also runs concurrently with the main quest Elder Knowledge, and is the only other method of accessing Blackreach other than Elder Knowledge It is not necessary to take the Elder Scroll during this quest. It serves as the Daedric quest for the prince Hermaeus Mora. Trouble Finding the Lexicon? Discerning the Transmundane is a quest available in The Elder Scrolls V: Skyrim. Quick video to demonstrate how to complete the last tank in discerning the transmundane No problem, this is exactly how you get there and how to activate the Lexicon once you find it.
