What if Aldebaran TRICKED Subaru's FRIENDS and then he BETRAYED Subaru and SEALED him inside the Sage's Tower?

I started to lose interest in Arc 9 once we got to the drawn out Rom vs Al battle that was 95% literal who's doing nothing. Also got annoyed when Al sent the Dragon away because that was strategically asinine and very clearly just Tappei finding excuses for characters to fight. Also got mad that Wilhelm of all people was suddenly able to go toe to toe with Volcanica. Actually I'm annoyed at a lot of things right now