I think they'll reunite sooner. I mean, we already know we can't trust the parents, or their plan. The vision they showed us is probably just a way to deceive us so we do what they want. As Meera said, they're using our love for Amicus to manipulate us.
I just hope for this reunion to happen in Khemia. I have the feeling they'll try to focus on other characters, the world and its unsolved mysteries, and I think that'd be a mistake. Adastra is great for many reasons, but let's be honest, it wouldn't be Adastra without Amicus, and our relationship with him.
I just hope for the devs to remember that, I mean, I wouldn't care if they did something different, but not while Amicus' story is unfinished.
*Sorry if I sound harsh but English is not my first language