Help, Ladies! I'm Looking for a Metaphysics Novel. I Remember the Plot but Not the Title

The female lead is a powerful cultivator with four disciples. After failing to ascend, she transmigrates. Her original body belonged to the Space-Time Administration, and she tells her about the Zerg invasion. The female lead also has a disciple in the modern world named Aji, a sword that can take human form, and Netherworld Ghostfire. Later, she leads everyone in cultivating to fight off the Zerg invasion.