In the last storage cavern, I found a second inscription on the plate, down near the bottom.
"I need to know what is in your storage cavern."
And there it was, the door in the wall leading into the storage cavern.
Or, at least, not like the ones in the previous storage caverns.
"She and the emperor hoped to find another of these storage caverns there."
Then, gather the people and begin moving them into the storage cavern.
It was as large as one of the storage caverns.
I spend a year searching out storage caverns to provide food, only to end up trapped with my people starving.
I think you'll be surprised at the number of people who fled to the storage caverns.
The bore has dug us up some good storage caverns, though.