This story is a sequel to Rainbow is Magic S2: Apple Family Feud
The Multiverse is theroitically the biggest, msot perplexing thing to exist. And now, Rainbow Dash must explore it as she and her friends must retrieve the Elemen of Magic after it has been taken by some old foes, as well as figure out the mysteries surrounding them. Why did the thieves take the Element? How are they behind the portals connecting to other worlds? And just who exactly are all these weird ponies that look like them but are so very different?