The mentioned events take place in both Royal Seductress and Flurry Hearts Favorite Guard, by, Holocron.

The ending to the story "Flurry Heart's Favorite Guard" had left a lot of plot holes and unanswered questions. Realizing this, Pinkie Pie and Discord decided to team up and solve all the mysteries of the story, pointing out the many clues that the author, Holocron had left throughout and expose the truth that had been hiding in the shadows.

Come join these two wall breakers as they embark on their journey, as they rewatch the entire two book series from beginning to end, albeit from a whole new perspective. As this version of the story will dive deeper into the lore of the original.

And see exactly, How "Flurry Heart's Favorite Guard" Should Have Ended.

Cover art, Derpibooru: 2104998