Agreed there^ . I'm an avid fan of visual novels so walls of text don't really bother me much as long as they're informative and not a snooze-fest content-wise, but in a game like yours, I'm not too sure what it'd look like without knowing more details. Overall though, if your aim is to show an hour-long cutscene for the sake of letting people know how the training of each character goes, I really see no harm in making some of that training an active mini-quest as opposed to a passive viewing of the events. It's essentially seeing the same things, except by making some of it active, you would