DB Multiverse

We didn’t like Buu toying with our stuff. So we made a back-up plan.
We transported a second machine to another universe. Then, we programmed a drone that comes every ten minutes, but far off in space, discreetly. If the drone sees we ordered someone teleported, it sends the same order to the back-up machine!

Buu has been vanquished!
All his particles have returned to his universe.

Buu stole the ultra technology. You’re sure he didn’t steal yours too?

No, he can break and repair it, but he can’t master it.

We don’t know why, but only a Universe 1 being can operate inter-universal travel.
(Fortunately so, because we quickly realized many of the participants were fast enough to take the machine from our hands and use it.)