When the earth changed more than fifteen years ago and dungeons and monsters appeared, most countries lost large portions of their territories, and about 30% of the human population was wiped out.
The widespread deaths from dungeon outbreaks and monster attacks were also one of the reasons that led many people to believe that Ray, who was thought to be the cause of it all had signed a contract with the devil.
The loss of around 30% of the human population was nothing short of catastrophic.
Some countries were entirely destroyed when the earth changed, others were half-destroyed and a few barely survived, with only a handful of cities left standing.
All in all, there wasn't a single country that remained unscathed by the sudden change on Earth.