Board Thread:General Discussion/@comment-25896389-20160402095124/@comment-12838149-20160521150615

Season 6A - Hyde Arc:

The Wicked Witch being seperated from Zelena (just like the Evil Queen was seperafed from Regina).

Rumpelstiltskin being seperated from Mr.Gold (just like the Evil Queen was seperafed from Regina).

Backstories of characters from The Land of Untold Stories.

What happened to the Dragon

Season 6B - Future Henry Arc(that might require its own spin-off):

Dracula being a major villain (and the main villain in Season 7A).