Soon after, Iroh rounded a corner and saw that the way was blocked. Shards of stone hit the earth near him, digging in and embedding themselves, raising clouds of dust and making him cough. It might be temporary, but he'd been keeping track of the twists and the general orientation the tunnel always returned to, and he had an idea.

"Can you try that direction?" he asked the Avatar, pointing at one of the walls where there was already a crack in the direction he thought they should go. Now that he'd caught up to the Avatar and her earthbending ability, he was more bold. "It's a short cut."