I can’t become a hunter

In 2015 gate appear around the world and that when humanity went to war with great collapse where monsters come out and attack people but during that time people started to gain power from gate where mana weak out and have 45% letting people getting power and call them hunters and because of that humanity is able to fight back for 5 year until new convergent happen where multiple world become one where 70% of humanity was wipe it was bad enough that when gate first appear 17% of humanity was wipe out and because of that some countries fell and because what happened them country fallen because monsters rule them lands and when the convergent happen even more countries fell but different type of races appear like elf's and beast human and dwarfs and vampire and spirit but that just tip of new thing because their was also new human appear but we could not understand because we did not speak their language and other did not trust us because they been fighting them other human for a long time but because of multiple world become one now the war between them have some what stop for now but true enemies are the made gate appear and monsters came out but when we where fighting them we learn that it was a powerful force called ZX they want to wipe out everything but they can't just get their self their to do job so they have to play with other lives to kill each other to win fight but we must all work together.