"I... can eat basically any sort of plant matter, but I don't know if you can. None of them look familiar to me and my plantlore is uh..."

Well.

"It's not my area of expertise. Maybe if we head up top we can get some clean water, though I don't know what we'd store it in. You wouldn't happen to have any kind of container on you, would you?" He's got a 'container' in his leg, but it only holds his baseball bat. How? ... Magic.