Board Thread:General Discussion/@comment-25896389-20170521222920/@comment-24942479-20170523072724

DatNuttyKid wrote: I think they were all destined to fight the Black Fairy. Every Savior between Rumple and Emma (and possibly before Rumple?) chickened out (like Aladdin) or had their powers taken from them (like Rumple).

Besides that, each Savior also had a shorter-term goal: Emma was supposed to break the Dark Curse; Aladdin was supposed to save Agrabah; etc. Makes sense as the runes said Emma was the "Greatest light" so she may be the last true saviour as the black fairy is the greatest evil