Well, to be fair. In the scene itself, they never said she'll become Queen, however, when Orpheus is asking us to kill him, he tells Lae'zel to carry his will and to destroy Vaalkith, so it's pretty much implied she'll become the Queen.
It's basically like the last video you sent (I only watched the first minute, tho. I'm working rn :p), only difference is Orpheus is a mind flayer and you have the option to kill him.
I really would have love they allow me to go with them. But I don't know if lorewise/d&d universe that would be a problem.
