It's the first good thing they've had in some time, other than the four of them still being alive. Not whole, but alive. That's what he chooses to focus on. He lets out a small chuckle to let Ignis know that, yes, he's still smiling. Even as he takes a few steps closer to him so he can lower his voice a little.

"Just in the sky this time," he clarifies, "I can still make out some of the treetops below. Even some things that look similar to what's on the maps they gave us."

"Us" being them and the other displaced souls who were not stuck here whether they want to be or not.