Review Detail of Lighting_Breeze in Shadow Slave

This is a really good story, with an interesting concept and MC and side characters. The big flaw it has is that some arcs go on for so much longer than I would like. I wanna see progression, real progression for example skipping to the future when arrived at the castle was nice. However returning to the past and spending 20 chapters was boring. Some past recalling would be cool 4 or 5 chapters would be acceptable. Reading a whole bunch of chapters like that was not.