I have three or four chapters in my book where my MC is training and gets to know some other relevant (and not so important) characters, which is mainly the point of those scenes.
It lets the reader get to know some of the characters personalities a bit better and in some cases,
their specialities in the art of fighting/killing.
The last reason is of course to show the reader that the MC is is evolving in whatever he is doing and also that
he didn't become good at what he does in a blink of an eye.
It is also the only way to put some action into the story which has been pretty calm for about 6 chapters ( at this moment the story is about 25 chapters long ).
The problem is that it might get a bit repetitive for some readers and it doesn't really move the story forward.
So, what should I do? Should I remove some of them? Should I try to make them more relevant somehow?
The most important question is, do you enjoy training sequences?