They thought they could contain the Demon King and all his disciples. They were wrong, they should've known that you can't keep a demon caged whether its created or found. They thought they could because they forgot the most important fact about them: Demons will do whatever it takes to get what they want, whether or not it means killing themselves. Now that they've escaped war has broken out and the only way to win is to kill the Demon king. Its Humans vs. the damned and this time the only way you'll survive is by putting trust in your baptized AK-47