30 years ago , a sudden disaster occurred on planet earth ,many mutated beasts and demon race invaded human territories , and almost 25 percent of earth's population was wiped out by the disaster , on that day , If the dragon race didn't protect us , the human race would have been all wiped out .
After the dragons saved the human race from the disaster , they bestowed special powers upon almost half of the humans , that survived the mass slaughter .
The special powers were named soul powers afterwards , because when someone recieved the special powers , they will surpass the strength of normal humans , and will be connected to the soul realm .
After the human race became familiar with soul powers , they started to study more about them and created many soul power amplifying gadgets and schools were, so that the soul power users could train and level up to until end . The motive of these gadgets and soul power training was to protect the human race from the demons , and the mutated beast invasions .
The higher ups decided , toconverted all the schools into Soul Power Academies , So that all new generation students could learn , how to use and train Soul Power.
Also , it became necessary to join the army for 2 years , when a boy or a girl turns 18 . It was necessary because , the students had to be experienced with fighting demons and beasts to be ready for war at any time .
After the invention of a device called soul power insert , the humanity gained a new weapon , better than any nuclear weapons . The humans used the soul power insert technology to make skill books and soul power increase books , and special move books . Which was a new hope for the humanity , to get their lost territory back.
2 years after "the great change" , a group of scientists from the U.S.A, found a new way for the hunters to earn money, equipments ,
valuable resources , and countless treasures , by using a gate called `the dungeon` , people will be teleported to a new world , and they will find many monsters , demons and mutated beasts to hunt by risking their lives for obtaining wealth . The monsters dropped valuable resources when they were killed . The humans then started to grade the items obtained from dungeons . It was named "The great discovery of the dungeons " and the humanity got a new great addition to its discoveries