"I was hoping you might be able to answer that. It's surrounding the whole city, it's impervious to fire, and there are no gaps or holes in it to slip through. In short -- the city is trapped." He frowns at it, and back at Aang. "This city has existed since not long after the end of the war, and even in all those years, I've never seen anything like this."

He'd almost hoped Aang's appearance here was a sign he had come to help, inexplicable though it was... but it seems his young best friend is just as clueless as anyone in the city. This is getting more and more complicated with every passing moment.