Board Thread:Spoilers!/@comment-4453062-20160217065238/@comment-24674051-20160501035733

8Rob wrote: If they bring Hook back.... then there would be a duplicate of Hook's body right? Your question is pointless. XD

Maybe part of the deal that Emma and Killian will be going through is that Killian gets a new body. Or maybe the process summons his actual body and repairs any potential damage from decomposition/decay. Or maybe it's magic. Or maybe... My answers are equally pointless.