[Keith shakes his head and takes his sheathed knife from the small of his back. The blade is engulfed in purple light as it reshapes into a long black sword with a narrow line of light at the center of it.

He turns it and starts to draw using the tip of the blade.]

Old as in age. They look rusted or damaged and have all the signs it has been hundreds of years since they were last unearthed. There were these sirens on a recent island. They triggered because a memory sphere exploded.

But they looked like old earth sirens. See? [Sure enough, the sirens he sketched looked like the kind any earth civilization would use for natural disasters.]

They seemed to command the robotic sentries that rose up out of the mud. ...and some of us.