The intrigue is brewing. They literally can't go to uncharted territories to rescue Vermmilion. Human fortresses are swarmed with winged soon to be awakened heroes.

This feels like first episode after the prologue that meant to hook us to the plot line. Kinda slow but I am already hooked.

This anime feels like Heavenly Delusion, every episode previous mystery is solved and new one presented. I am very much looking for future development.