Originally Posted by Zerubbabel
The vague and incomplete endings provide opportunities for expansion?
Doubtful, but who knows? I think I saw people throw around an interview (which I did not read, so take it as...gossip at best) where Larian says it would be too complicated to make a DLC. I also don't think it is something they done in the past, maybe if WotC press hard enough? No clue.

All I know the game ending is good per se (the one I got at least), but lacks... closure for everyone. We see everyone change along the way and don't get to know how it turns out for them apart from the immediate things. That just can't fly in a game like this wyllcry

Some of the companion endings I got under the spoiler tag.

Lae'zel just left because she no longer had a place among her people. I want to know if she found a purpose on the material plane?
Astarion started to burn up in the sun and made a run for it. No idea what happens to him? Kind of...weird.
Wyll lost his powers, but decided to continue being the Blade of Frontiers. Absolutely no idea how people will react to him now that he's physically changed?
Karlach straight up died on that pier, making me cry in the process but at least that was closure...I guess? crazy
Shadowheart didn't make it this far, killed her when freeing Nightsong, the game must have glitched out as everyone assumed I turnd her over to the Sharrans in Baldur's Gate... so that was that.
Didn't manage to cure the Shdowlands so Halsin kind of...disappeared? To be honest I kind of forgot about him, he had absolutely nothing to say the whole time he was at camp.
And Gale collected the crown and the netherstones, gave them back to Mystra and I got that super short scene I mentioned earlier, as a bonus for romancing him I guess.