Nicely done. Love a good hex crawl that blends solid tables and a great theme. I appreciate the stat blocks, as the PHB for FF only provides 4, so having some additional options to fill out a land is nice. My only gripe may be a difference in interpretation of the Trick. I understood the Trick of a stat block to represent a piece of information that could help the PCs fight more intelligently. But it seems, however, that you all have interpreted it to be a note for tactics for the Guide to know how best to use those stats. I don't think either is wrong, but it was unexpected for me.
The setting is incredibly evocative, and I was able to picture myself and my table running a session (kinda the hallmark for me and if I vibe with a game). I think the only thing I, personally, would balance is adding a couple of neutral and positive encounters to the table. I know the system is built to wear players down, but I wouldn't want to turn the session into a meat grinder too quick. Again, that's personal preference.
Really solid submission!