You can ask, but I would need you to be a tiny bit more specific — reason being, if you just want "anything" or "any other mystery," I end up having to overwrite, when you're probably just after the one specific thing.

Re: antler folks — they haven't heard or seen these guys, but note that the villagers don't like to go inside the volcano, so this might be a case of their lack of exposure rather than the antler people being new apparitions.