User blog comment:Real Godisme/Chapter 481/@comment-6904925-20160411123630/@comment-7418318-20160411125042

In the manga we never learned the fate of Trinity Raven. If they didn't wake up and flee in time, they'd most likely have been crushed when the tower collapsed.

As Derax pointed out it was only in the anime that they were seen flying off on Fukuro's jetpack.