Quote Originally Posted by Flamberge View Post
I believe it's still drop in Morhaven District - Rooftop.
Correct, Albino Bats stil drop in Morhaven District Rooftop Assaillant, but also in mission 3 ( Laboratory Secrets) of Morhaven District
Ghost and (Purlpe) Wisps were event related, currently only available at auction.
Btw ghost is expensive, recommend buying a Purple Wisp think it's abt 55k in auction. Have fun