Review Detail of Rayyer in The Legendary Mechanic

it just generic overpowered mc story like the rest.there no story development in this book I have read about 100chp how can u write a interesting consent moving story if the mc already know what to what going to happen how all the characters thing , there past future depiste desire etc u can't it just fan fiction at that point since nothing has value anymore u just waiting for the mc to get more overpowered then he already is