The Holy Demon Kingdom Shrouded in Sin's Shadow

The kingdom is protected by ten supreme knights clad in heavy armor, encased like emotionless mechanical monsters. In a distant mountain range lives a legendary Evil God Dragon Emperor, a terrifying tyrant. That mountain range should now have become a kingdom of dragons. To guard against this tyrant's invasion, the humans of the kingdom never slack off in their practice of magic. But one day, a voice rose from the crowd, perhaps spoken by people who thought they had grown strong enough. “There is no distant mountain range where an Evil God lives, and this country has no supreme knights who have protected the kingdom for nearly a thousand years! The human race has no disasters to fear, and the kingdom has no powerful protectors. The king is deceiving us. He fears we'll take the treasures he has amassed!” And so, a brutal conflict erupted among humanity. A disaster of their own making descended upon them...