The Mane 6 notice something going wrong with the crystal mirror and when they go to investigate, the mirror sucks them all in and transports them to a dimension where not all is sunshine and rainbows. King Sombra came back and teamed up with Chrysalis to finally destroy the Mane 6 and the princesses in that dimension and have been ruling alongside Discord and Tirek. They each hold a quarter of Equestria and all Anarchy is in Discords corner, Emotionless ponies in Chrysalis' corner and figuratively lifeless corners of Tirek and Sombra. The Mane 6 teleporting into the destroyed friendship castle where they meet a mysterious figure... and no not Zachora.
5 parts