Ugh... Having reached level 60 on Nostalrius before its shutdown, I can say that Duskwood was horrible quest-wise. You essentially have to backtrack constantly between Raven Hill and Darkshire over and over again.

I watched this movie for the first time yesterday, funny seeing this article today. I think I might be going crazy.

They explain the four year limit in the movie, it’s to keep the replicants from developing emotional responses. In the book it’s because scientists don’t know how to make a replicant that lives longer.