Cult of Juiblex
In Jern:
Only has 5 members.
They serve the one cleric of Jubilex in Jern, even though she has no actual followers.
Only evidence of the connection between the cult and Jubilex is acid damage found throughout the lower city and missing people.
Their activity has ceased suddenly recently.
Theoretically, their meeting places are somewhere between Level 2 and Level 5.