Chapter 21 was....a lot. That was a lot of story lol.
Mauveir is a bro now. Veyle is friend now. You turn corrupted for a battle and have red emblems. That was neat. Now Alear IS the fire emblem. Those crazy bastards finally found a way to make someone the fire emblem. Except you still have a body? Kinda? Iunno it's confusing