The Bad Batch's third season shows that Project Necromancer began under the supervision of Dr. Royce Hemlock at Mount Tantiss, with Emperor Palpatine himself being deeply invested in the project.

And Emperor Palpatine — yes, the Palpatine — wanted to use her for his own unnatural experiments. And that’s just the beginning. “The Bad Batch” dipped into the deepest of Star Wars lore ...