Power Etching

This is a world with strict levels of abilities - D-level can only ignite lighters, but S-level can turn into eternal flames. The time traveler Ren Xing appears to be a Muggle, but secretly is a killer. When Compound No. 9 Is overflowing, Hero Company is hypocritical, and S-class is about to lose control, he can predict the outcome in three seconds, but he must risk everything to rewrite it.