TerraDave
5ever, or until 2024
Drow are one dead deity away from dissolving into utter chaos. Not sure that deserves a 10 on the civilized scale. I agree with TwoSix about the Mind Flayers.
Decadence. The key is decadence.
After a civilization passes its brawny John Wayne, Roman Republic, King David, Fields of Eton phase, it may continue to advance, but that comfort, sophistication, politicization, stratification, permissiveness...is really just its undoing.
Or at least thats a common fantasy/early modern caricature.