Indeed, if that’s the case, there are two possibilities. It could be a standalone event where the boss targets two regions, and if one succeeds, the other fails. Alternatively, Rabiance could have both won and lost. Instead of returning to the central church, she only made it to the nearest region, Arcezon. Based on her ability to see otherworldly entities without needing holy salt, the priest of Arcezon created a guidebook and the materials for holy salt, either with Rabiance’s help or without. But it’s certain that while Rabiance was still lucid, she told the priest about it, because the likelihood of the priest predicting or prophesying the monster is very low. The hidden boss is directly connected to Rabiance, so there’s no way Rabiance isn’t involved in Part 2, like her returning to the center. According to my calculations, the probability of the hypothesis that Rabiance both won and failed is 70%.