"Sleep well," he says, "And be at peace."

Aang hops back on Appa's head, picking up the reins attached to his horns.

He shakes the reins. "Yip yip!"

The bison hops up off the ground into the air with a gust of wind, and Asuka is left alone--but not alone. This place is a place he loved and that means his presence is all around, keeping her safe, at least for tonight. If it changes to whatever else she dreams, she'll still be safe, too.

She also has the stars (that make your tongue glow), and the moon, which almost seems like a friend.