After planning a relaxing boat trip across the Luna Ocean, on the West of Equestria, Luna, Celestia and their unfortunate companions find themselves on a mysterious isle few of those still alive have heard of. And while some seem quite interested in the archeological value of such a discovery, the place seems all but welcoming... Perhaps it hasn't been forgotten for nothing.

Decided to try out writing a serious fic for once, we'll see how it works out...