My grandpa was a very frugal man.

echoes from above.

We freeze.

“They found us,” the colonel hisses. “Move!”

We rush back up the spiral stairs. The lights flicker as shouts echo through the corridor above. As we reach the top, three men in black tactical gear burst through the entrance, weapons raised.

“DOWN!” one yells.

Before I can react, the cube pulses again. A blast of invisible force continue reading …