This enclosure is... pretty damn big. There's an odd sheen to the barrier keeping the as-yet unseen creature inside, as well, and the reason why becomes somewhat clear as Jim rapidly reads the sign.

"Up to fifty feet in length... exceptionally venomous fangs... anyone looking directly into their eyes causes instant death," he reads out loud, muttering under his breath. No wonder the healer hadn't ever heard of anybody taking one down. And why the zoo would need to have some kind of visual shield between the patrons and the magical snake inside. It's probably bad form to kill your customers, after all, and who knows how the anti-violence field would handle this kind of thing?

"Okay, I'm not dumb enough to go sneaking into a giant death snake's house. There's gotta be someone who looks after the animals that might be able to hook us up."