Chapter details
Chapter 661: The Demon King’s Army’s Preparation (1)
Runs about 14 minutes — one of 727 narrated chapters on Arcwave.
About Academy's Undercover Professor
I wasn’t reborn with talent or ability, but at least my knowledge from earth allowed me to stay one step ahead in this other world.Magic exists here, and new progress was rapidly being made in science while magic stagnated in the name of tradition.