She was preparing to ascend into the Body Fusion Realm. It was the penultimate stage of mortal cultivation, sitting directly beneath the mythical Transcendent Realm.
In software engineering terms, she wasn't just downloading a patch; she was attempting a live, hot-swap migration of her entire backend database to a quantum server.
When a cultivator ascends to the Body Fusion Realm, the World Will initiates a hostile stress test to ensure the vessel can handle the cosmic data load.
This stress test took the form of a Heavenly Calamity.
"A Heavenly Calamity is basically just the universe launching a targeted DDoS attack of pure lightning directly at your skull," Ji'an muttered to herself, pacing back and forth in the privacy of her guest quarters, chewing nervously on her thumbnail.
