User blog comment:IamJakuhoRaikoben/Chapter 375: Supernatural, Review./@comment-24066070-20140314083003/@comment-7418318-20140314105118

He can stretch his arms. Maybe he snuck on the airship at the same time as Zeref did and just caught the body before it fell into the ocean.

That would also explain how there could be enough magic or soul remaining in it to have something to absorb, if he did it within a minute of Hades' death.