Twivine Sparkle, Delta Brony and Lady Tirek belong to KingSpartaX37/. Original story belongs to KingSpartaX37

While Starlight Glimmer set off to save Equestria from the Changeling threat, Twivine Sparkle accidentally created a being with the power of Lord Tirek. Giving the being the name "Lady Tirek", Twivine accompanies her to make sure she doesn't cause havoc across Equestria.

However, after Lady Tirek begins to go down a similar path to the original Lord Tirek, Twivine must choose. Stay with Lady Tirek as she continues down her path, or join Twilight's side and put an end to her creation?