The protagonist is invincible, has a system, has a speed of Mach 9999 trillion, synchronized reactions, is not flesh and blood, is immortal and has a power of Mach 9999 trillion.
There are many places in this book that are not in line with the original work. It is a fan fiction. Just enjoy the pictures and don't need to study the logic carefully.
The timeline is inconsistent with the original work
The protagonist is a serious character, hates evil as much as he hates evil, and is a kind person. His shortcoming is that he is cruel to bad guys and sometimes has a vicious tongue.
Keep your mouth full of virtue, don't spray it if you don't like it
Okay, kid, I forgive you.