Hearth
Just as instantaneously as the energy had appeared, it vanished. People across the realm stopped spontaneously disappearing, and an entire major religion that had once dominated the Origin realm seemed to disappear from existence.
Not everyone realized instantly what happened. Depending on their strength and cultivation, it took them a few hours to a few days to possibly even a few months or years. For most beings, though, the actual purpose of the event, which was quickly being titled as the 'Interstellar wave' eluded them. Instead, they were focused on the secondary repercussions of what happened.