Ethan searched all the shelves and finally found a parchment book titled "The Departure of the Upright Gods: Prophecy of the Day of Destruction." Just a glance at the title was enough to understand why it was listed as a forbidden book. If the author hadn't been Saint Hilman, anyone would have considered it an evil tome.
It's no wonder the first King reprimanded Saint Hilman more than once. At the founding of the Empire, everything was thriving. A prophecy about the Day of Destruction from the Empire's first Archbishop would undoubtedly deliver a heavy blow to people's confidence.
In the opening of the parchment book, Hillman expressed understanding of the first King's decision, which is why he wrote all his research and investigations into this book.