>>23442800
>Karla was wearing a space suit and was blown into space.
>The author purposely left it ambiguous.
Right, and they were able to outrun a nuclear explosion big enough to obliterate the colony laser, when the Atlas was barely able to get out of dodge.

>Knowing his track record, It's very likely the author will show Daryl alive somewhere in the very final chapter of the Manga.
Nah, Ohtagaki likes killing characters off. It would be a big asspull to show them alive.