replied to your post “Oh god, so if Nothics collect secrets and knowledge about Vecna, what…”
Given what it was they may have dogged a bullet
A CR 2, save DC 12 bullet that is a mini-boss in the second dungeon to the starter set of this game that most of the characters could OHKO. I’d hazard a guess that the information the nothic had faaaaar, far outweighed the threat it posed.