Twilight and her friends have faced several villains, but were they really that evil? Sure, Nightmare Moon wanted eternal night, Discord likes to mess with ponies, and Queen Chrysalis and king Sombra both wanted power; but no one ever killed anypony.
Rosa Bloom is stuck in a rut. Torn between feelings for a close friend and a life that’s going nowhere, she feels that her purpose in the world is lost. However, an unexpected series of events will change everything.
Hades, Lord of Death and God of the Underworld, is bored. Residing in Tartarus gets tiring for a God. So he decides to visit Equestria for a bit. And maybe make new allies so he can take over Olympus.
Research, no pony takes this subject as seriously as Twilight. But when she comes across an obscure subject, she will use any source, crazy or not, to get the answers she needs.
Rarity moves to Canterlot, leaving a grown Sweetie Belle in charge of Carousel Boutiue. Not long after arriving at her new home, a certain alicorn wishes to express her feelings to the unicorn.