Instant Sanctuary

Harper opened her system menu and selected Defense Structures, then picked the Stone Wall.

"Wall them off."

She traced a line in the empty air. A bright rectangular light frame appeared around the four new cabins.

"Build."

Rumble!

Golden light flared up once again in the dark night.

Mason and the others stared in pure shock as a gray stone wall over six feet tall shot straight out of the ground.