[X] "A trade! Information for information. There is a common enemy we should be prepared for."
-[X] Explain what we have seen with our own eyes, in exchange of what they saw and how they came to be cursed.
--[X] Gauge their reaction. If they truly open up, keep explaining about the strange memories. If they don't, simply warn them that they might suffer the same fate that the Stone Gobblers faced.