I had been looking forward to this because I thought he could help us with our questions (avoiding spoilers here).
First, of course, I was right. His answers not only informed us, but opened a whole field of other questions, all of them interesting and all of them providing opportunities for research and roleplaying.
Secondly, Melchor was such an intriguing person. We didn't have the opportunity to ask questions about *him,* but I hope we'll someday get the chance. And he had us all hanging on the edge, waiting for his translations ...