Chapter 13 of the manga sees a tense battle scene where the heroes face unexpected challenges. Also, some new characters are introduced who might play crucial roles later on.
In chapter 13 of 'A Returner's Magic Should Be Special', the protagonist has a confrontation with a powerful enemy and unlocks a new skill. There are also hints of a larger conspiracy unfolding in the background.
In chapter 13, there's a major plot twist as the main character discovers a hidden power.