Elemental Plane, Black Tower Continent.
The alchemical runes on billions of black towers activated simultaneously, manifesting an Omnipotent Eye Totem that released mental waves in every direction.
A cold, mechanical voice rang out of nowhere in every wizard's mind:
[Emergency notice: Attention, wizards of First-Ring Tier and above. Meditation Method version 118 is now available. Activate your Omnipotent Eye mark and draw in a strand of starlight power to receive the latest Meditation Method and prevent intrusion by Outer Heavenly Demons.] [Note: This Meditation Method includes the following adjustments targeting the Heavenly Demons' Great Freedom Heaven and Bliss Desire Realm:...] [Addendum: Become a believer in the God of Light, construct a mental Wondrous Scene of the Temple of Light, and silently recite the god's name in prayer to receive the blessing of boundless divine light. This achieves half the effectiveness of the latest Visualization Method.] [...]
After the alert ended, a brief silence fell within the Black Tower.
Heavenly Demons were bizarre creatures that existed in the illusory Desire Realm, could infiltrate through any opening, and fed on the souls of living beings.
When wizards first learned of Heavenly Demons, they felt as though they were confronting some unknown horror, overwhelmed by unimaginable terror.
Now, Heavenly Demons had been known to the world for decades. Thanks to the Black Tower's analyses through the Omnipotent Eye, the wizards had long since grown numb to their threat.
An old wizard in gray robes finished digesting the information, concealed his faintly glowing Omnipotent Eye, and frowned with a sigh. "The Heavenly Demons mutated again? Good thing I didn't practice Meditation Method version 117, or I'd have wasted my time again!"
With that, the old wizard bent over his Magic Plant experiments again, concocting the latest Mental Power Potion without letting the