Vlast, chained and muzzled, is still a bloodied mess who should, by all rights, be running on fumes at this point. Some of those wounds look as though they've soured in the filth and damp and dark.

"Get this thing off me," he snarls, "I can move just fine."

The chains may pose a problem, but once they're unlocked (by key or pick), and he's got the feeling back in his arms and legs, he's unsteady but mobile, and more than ready to get out.