A big brother gives up his life to save his little brother. When the younger brother learns that cultivation offers a way to bring his brother back to life, he sets off on a journey across the Five Realms, where all kinds of things happen.
This novel and its characters are entirely fictional. Any resemblance is purely coincidental. Do not imitate.
The author should change the book and write it. You have nothing. You need to write a more popular book.