The rainforest is filled with a hundred distinct cultures and peoples. There are followers of long-forgotten sects of Pirhouanism, worshippers of the god of knowledge Unknown, and people of every other sort.
You don’t need to go to Mitalu.
A few villages among the multitude of barangays reject outsiders altogether. They marry among their own and keep a close-knit, little society they understand well. These barangays don’t have any stake in larger Arneria. They prefer to be left to their own affairs, just as they have for centuries
Treat Mitalu as one of them. Ignore any invitation.
Some of the wetlands of the Bat’yan are a hiding place. A little conclave of tenebrines swim in their murky waters. They sometimes emerge from a dark place, with hangers-on far worse than any leech. Some of the beasts out there have good reasons to stay away from paladins and anyone else who can sniff out the perversion of a fiend. They want nothing more than to attract an audience. A few Bat’yan possums play their fiddles from the Songbook, but you don’t want to hear the tune.
Don’t go to Mitalu.