The Rising of the Shield Hero Volume 8: The Manga Companion (The Rising of the Shield Hero Series: Manga Companion)

Rising from the depths of despair, this is a fantasy about persistence.
Church of the Three Heroes vs. Four Holy Heroes!
Can Naofumi protect Raphtalia, Filo, and the world?
What is the mysterious high priest aiming at?
From despair, Naofumi chooses an evil path. The flames of the curse series will burn!