This story is a sequel to My Final Pony Fantasy III

(Post-Movie)

After the defeat of the Storm King, peace had returned once again to Equestria. But things like peace are pulled out of Princess Luna's mind when she has a vision of an evil force plotting to conquer Equestria after they steal Crystals and destroy the inhabitants of another world.

Accompanying her on this journey are Twilight, Spike, their Ponyville friends, Shining Armor and Princess Cadence as they join forces with Cecil Harvey and a host of other warriors as they take on Golbez.

This story is a sequel to My Final Pony Fantasy II

With the threat of Emperor Mateus gone for good, Equestria begins to recover as its citizens return to their peaceful lives. However, Princess Twilight Sparkle began having nightmares with the Emperor's warning still looming over her head.

She and Spike, along with Rarity, Applejack, Pinkie Pie and Rainbow Dash are summoned to the Chamber of Crystals once more to aid four young people stop a wicked sorcerer from causing a great imbalance between light and darkness before all is lost...

This story is a sequel to My Final Pony Fantasy

It had been a while since the ponies' last adventure in another world. Soon, an invasion and a foalnapping change everything and prompts Twilight to return to the Chamber of Crystals, this time with Fluttershy, Spike and Princess Cadence in tow. Little do they realize that they would find themselves in the war between an evil empire and small rebel army.

After exposing Starlight Glimmer as a fraud and getting used to having the Castle of Friendship as their new meeting ground, Twilight and her friends are summoned to the Crystal Empire to find out why the Crystal Heart is behaving strangely, only to be thrust into a new adventure involving crystals, warriors, four elemental evils, and an old enemy.

Takes place sometime after "Castle Sweet Castle."