Lot 28, the quantum harvester. (COMIC: The Fountains of Forever)
A quantum harvester was a device that could alter reality and peer across the multiverse via its connection to the Flux of Potentialities.
Dorothy Bell accidentally merged with a quantum harvester, (COMIC: The Fountains of Forever) the long-lost Hand of Sutekh, (COMIC: Old Girl) in the early 21st century. She used its power to "improve" New York City. (COMIC: The Fountains of Forever, Spiral Staircase)