D’oh, I knew that! For some reason I didn’t think about that one even though I have the book. I haven’t read any of it, just in case I could be a player in it someday. Hitting all 9 layers sounds pretty good. I did back the Kickstarter for Dante‘s Inferno, I think the final PDF just released. I’m not sure its what I’m looking for, but it was interesting enough for me to back it.Descent into Avernus is devil based. There where also a lot DMsGuild supplements that extended or revised the adventure. One hits all 9 layers