Izuku, the heavenly demon

When Izuku was 14, right before high school, his childhood friend gave him some great advice, you see, he lived in a world where 80% of the population has incredible powers, powers that would either defy logic and reality, or as simple as being smarter , but in the 20% that weren't given powers , and for that everyone ridiculed him, even his own sister and family, and so it went to the point where His childhood friend told him to kill himself , and that he did , when he woke up , he woke up in the world of Murim, the world of Martial Arts , he grew up there for a thousand years, conquering everything, and he became known as the heavenly Demon, but the great masters decided to join hands and take him down, and when the world of Murim was destroyed Between the clash of power between him and the masters , he woke up again, in the hospital , back to his world , what would happen if the world of quirks meets the heavenly demon? Wanna find out? The please, grab some popcorn , and read the story , ta ta!