Battle from previous chapter gonna continue at chapter 248. This all battle happen at same time so it would explain in chapter 248 why the technique that he want to activate again at the end of chapter 219 doesn't work. There's also another battle that happen in capital city
This is season 2 for this manhua, season 1 & 2 is still consider prelude imo, season 3 which begin at chapter 312, the story would be surrounding MC