Firefly Glen due to an internal explosion, it breaks into two parts

The older male's whip-crack interruption spurred Yosemite almost immediately to his paws. There was a wide-eyed look on his face, as though he expected that, at any moment, Nine might do something as strange as turn into a bat or stand on his hind legs and dance the hustle — but he blinked such nonsense quickly out of his eyes and turned to "lead the way" with a sheepish grin on his face.

"Yes sir!" he agreed, and set off toward the high peak spearing upwards into the moon.