Stand back up, from his investigation of Miao, Lips tells the rest: "At least we can rule out devil or demon rats as couse of trouble."
Back to the discussion, what to do next: "Omar, didn't you have some duct tabe from the construction side? If so, I would suggest that we gag and somehow bind the snake, put it into one of the body bags and hang it to the tunnel ceiling somewhere. It is magical, so it might not stop it of free itself, but like to be far away from it, we it wakes up.
As to Mr. Jhong-Shun, we can't leave him here, but we neither have the time to go back nor risk someone goes back alone. Hence, the only save option, I would say, is to carry him with us, until we find somewhere save."