help!!!!!

soooooo this manhwa i forgot the title but i remember little bits of it he got sucked in another world but in order to go back to earth his statues window asked him to do bunch of thing until he bacame like the strongest martial artist idk if its called villain emperor or sum shit but hes not the only one who went to those there are there are bunch of other hunters who went in another world they died in another world but after they died they back to earth and theyre calle irregular the MC didnt know this coz he just followed the system and he became the strongest and finished the quest(or not i dont really remember) but basically he went back to eart again.