Revelation of a distant future that will never be

When he was magically transported to a white room with his family, Cale couldn't have predicted what the future would have in store for him.

-
Parents were never supposed to bury their children.

(Had you payed more attention, something inside him whispered nastily, had you been more careful-

Had you died instead-

-then she would have been alive.)
-

The devastation, and the aftermath.

Or,
Cale and his family read an excerpt from [His Soul Slid Down to Cry]