Kuro no Kiseki has been an excellent refreshing start to the series in my book. Especially when it comes to getting us through the second part of the Trails series.
I have a unique love for Sky but I would say that at this point, Kuro no Kiseki has surpassed the Crossbell arc (which was my second favorite arc before).
The tone of this arc has been a really nice change of pace. It's darker for sure but I also feel like the story has been an overall upgrade compared to some other parts. This is the arc where I feel like alot of the setup from the previous 3 arcs are now starting to begin to really pay off. You have alot of interesting call backs while many important subjects hinted through the series are