Originally Posted by Traycor
Is locking the party an actual thing? That would be lame.

It has been heavily hinted. the developers said that by the end of act 1 you "would have to commit" like its some kind of magic excues for stupid game design.

Larian's Biggest Oversight, what to do about it, and My personal review of BG3 EA
"74.85% of you stood with the Tieflings, and 25.15% of you sided with Minthara. Good outweighs evil, it seems."