Into the Unknown

by TheLastBaka

First published

Princess Luna and Princess Celestia are experimenting with ancient spells left by the original unicorns. They find one that looks odd compared to the already strange collection. They cast it, then disappear. Twilight, being as consistent with letters as she is sends one a few hours after their departure. A few days pass and Twilight becomes curious as to why Celestia hasn't replied yet. They go to the castle and find it empty...