The Pope?

"We found this while investigating the camp." Verrol produced a large black book and handed it to Hao Ren as he noticed his audience's surprise and bafflement. "It was the key to solving the mystery behind the troops."

Hao Ren took the thick dilapidated book from him. "This is..."

"It's an old log book. It was once a sacred item, belonging to some powerful religious leader or friar. I think it's a prayer book. The Scripture of Origins written inside protected the book from the ravages of time in the Nightmare Realm. The owner of the book must have understood the power of these scriptures and decided to use the book to record highly important information… Don't bother. Most of the scripture inside is already unrecognizable… You can maybe make out a third of what's written inside towards the end of the book."

Hao Ren carefully flipped through the prayer book until he found something readable.