The black stone is square, its surface smooth as a mirror, with a hardness exceeding the building materials of the killing field.
"The standard length, width, and height are 9:4:1, even with a visual system enhanced by the Great Swarm, no cracks or protrusions can be seen."
Li Cheng rubbed his chin, "Showing off technical prowess. I wonder who left this... well, no need to guess."
The black stone is not buried in the sand but slightly suspended, with a full penguin pattern etched on its bottom.
Its head feathers are black, eye circles white, obviously the same model as the Teleportation Phone Booth; the difference is it doesn't hold a cane, and its belly is rather large, looking inexplicably cute.
The Mechanical Swarm, waiting for instruction, asked, "My lord?"
"Place the container on it. Step back a bit."
Li Cheng regained his focus, and as the weight pressed on the black stone, four squares separated from its corners, floating above the container.
