The Avatar managed to bring balance between the Three Serpents of Chaos, Order and Balance. He is teleported to the void to see his accomplishment.

But The Guardian has other plans for him. He snatches the Avatar out of Britannia's void and brings him to another dimension entirely.

The Avatar appears in the land of Equestria, now a pony. He must escape this world of colorful, talking horses and get to Britannia before The Guardian destroys it.

(Takes place after Ultima VII Part 2: The Serpent Isle. Ultima VIII: Pagan does not happen, because The Guardian takes him to Equestria instead of Pagan.)

Thanks to ShadowblazeCR for editing!