Water's probably a good idea after getting nearly cooked. Donnie fishes out his own water bottle.

"Oh. The Wanderer plantkin? I got to talk with them about how things had been before the Agrii had come. The cities... It sounded like they had been built by an automated process. I'm guessing some kind of building drones since prior to the Agrii or the Graq, no 'animals' had been there to establish anything."