User blog comment:Omega natsu2/Chapter 370: Demons Reincarnated, Predictions./@comment-7418318-20140131102351


 * The explosives inside the Lacrima are actually Jackal.

More detailed explanation: Just like Tempest, after dying Jackal's essence returned to Tartarus HQ, but instead of reviving him into a new body, they stuffed him into a Lacrima and are now using him as a bomb.

It might be a theory of the wilder side of speculation, but I think it'd be funny.