One survival camp can hardly suffice for two whole regions. Besides, I doubt even the best camp could prepare someone for a... mysterious meteor shower-induced teleportation?

[He doubts that's what actually happened, but that's his best guess.]

A sharp weapon would have been more practical on the road, in most circumstances. And perhaps also easier to justify to the authorities, depending on its size. Though you can always claim the potential existence of giant doors...

[Would the officers even accept that excuse?]