Board Thread:Spoilers!/@comment-16953943-20160401020145/@comment-25926288-20160401121957

Looks like we solved it! I'm certain there's no answer for the heart split and it won't likely get explored. The same follows the DOs though. They were dead, not DOs, and how would they come back as DOs and with new bodies? Who knows, but things just happens. And also, Rumple tells us this, "Your questions are pointless."