I was notified on Twitter that this map was from a Fehtuber! I didn’t notice the name while playing, but it’s Penrost776!
https://youtube.com/c/Penrost776
It was a fun match, and not to mention Edel vs Edel & seeing Ascended Celica on the defense team was unexpected (at least so soon).
#fireemblemheroes #aetherraids #feh