Sooo...inside the book of the dead God's (In a side room, from the dead scribe fight...fakers!), you now have to pass skill checks to read it.
The naration brings attention to three names that are kinda blotched out; they are together, inferring a connection.
Second Sundering
Changes to the Pantheon
Many deities previously presumed dead or missing managed to return to life (or to re-emerge) during the Second Sundering, and then to quickly amass new followers (or to win back their old faithful),[32] and to reclaim at least some of their former portfolios (resulting in a new distribution of spheres of influence among the Faerûnian deities).[33] Known examples were: Mystra,[29][33] Helm,[23][33] Mask,[10][33] Lathander,[25][33] Bhaal,[8][33] all the previously lost Drow gods,[34] Leira,[33] Myrkul,[33] Gilgeam, Enlil, and Nanna-Sin;[26][27] all the Mulhorandi gods,[12] Azuth,[33][27] and Tyr, among others.[33]
referenceThe extended team IS doing their homework.