Adventure Title
Tribe/People/Folk of (the) Circle/Ring/Obelisk/Column

Alternate title
Sorcerer/Witch of the River

Opening Scene
A crypt that is Oppressive where they encounter Porters that is/are Looking for new slaves

Plot hook and draw
A close friend that is/has Performed a dangerous ritual

Plot Concept
Cover up a dirty secret that is motivated by An ancient prophecy

Primary Antagonist
A crime syndicate who/that is Aggressive

Plot fulfillment and location
Subjects for experimentation from A pirate haven