Board Thread:General Discussion/@comment-33624935-20171112011107/@comment-5899967-20180212203645

Touli2 wrote: For a timeline where Neal is alive we would need to go back to when he went to the vault to ressurect Rumple and suppose he didn't so Rumple remains dead. So nobody would find out Zelena is the wicked witch and presumably she would suceed her plans.

So basically the timeline where Neal is alive is the darkest timeline.