Gotta hand it to Miura, everyone had some idea of what we would be seeing in this episode, but he pulled it off in a way I didn’t see anybody predict that was still a perfectly logical sequence, though a reveal of multiple garudas (garudae?) isn’t something you could guess easily.
I don’t have much to say about the rocket launcher other than I feel it works with the universe we’ve been shown well enough. If anyone could do it, it's Rickert and all he really needed to do at this point is cram a few of his inventions together. Not to mention Falconia is a bastion of cutting edge tech so it could be he had some good framework to work with. Though it would be a scary revelation if Falconia was mass producing weapons like that already.
It made for a really cool end to our Falconia escapades, but the way it just sought of moved on from Rakshas after he couldn't pursue anymore rather than really show us the damage makes it seem like he’ll be back after all. Unless there’s a scene or two more It seems like you win this round Aaz.

Anybody else struck by just how fantastical that final scene is? Rickert and his companions flying off into the moonlit sky on the backs of three giant bird-bats framed by titanic ethereal branches. It’s like Guts’ rescue at the hands of the merrow taken to a whole other level. There's this cute little thing developing that for all the evil that the world transformation unleashed on the world, the heroes have been able to control or befriend a least a part of it that's helped them in ways nothing else could have done before.
Wonder what Luca means to do with all those diamonds. I'm sure the context for that is addressed in the dialogue but it doesn't seem like leaving Falconia was ever a monetary issue. Seems very elaborate for repairs as well, maybe just a nice token of thanks for looking after him.