Letters, codes and puzzles oh my! (Patreon)

So, last we left our heroes, they found coded letters they decided to take to Nevlon, Dietrich's uncle.

I don't know if I mentioned this but I ran this adventure to my D&D group. They also found these letters and I made the puzzle for them to solve.

Do you guys wanna give it a go?

-On a side note, do you think this would be an interesting feature in the comic? Tackling puzzles, the Night Company does in the adventure?

The solved letter is in the attachment.