Quote Originally Posted by Manga Shoggoth View Post
Who said they were imprisoned?

The Dreen doesn't look to be imprisoned in its first appearance, and there's no mad panic about an escaped and hostile Dreen there.

It's second appearance (at least, I assume it's the same one...) has the Abbot looking worried, but there's no "My God, It's escaped" scene.
I mean, who wouldn't be worried when a Dreen pops up?

We also have a flashback of the Dreen leaving Mechanicsburg with the Corbetites, don't really look like prisoners there, just following the wagon with whatever was the device Robur built.