Board Thread:General Discussion/@comment-28042201-20160324172317/@comment-25926288-20160325002635

Guitar23942 wrote: If Zelena made an alliance with Hades and Regina with Rumplestiltskin, who do you think that would win? Hades will win by himself...maybe. We have to see how powerful he is.

So, until we have more info, there's no good answer.