At this moment, Eternal Night Progenitor was genuinely somewhat stunned. Especially after he saw Zhou Zheng draw the sword he had always carried on his back, and an aura of Supreme Rules erupted from it.
In other words, this was a Supreme Treasure!
Zhou Zheng had used the "Primordial Beginning Sword" in the Hun'e Realm before, but Eternal Night Progenitor had already been "sent" out of the Realmheart Divine Palace by Zhou Zheng at the time. Naturally, he had never seen this Supreme Treasure.
Thus, only now, when Zhou Zheng truly activated it, did Eternal Night Progenitor realize something was wrong.
What followed, naturally, was astonishment.
One had to know that the Invincible Existences of the Realmheart Continent never carried Supreme Treasures when they came to the Broken Fang Mountain Range.
The reason was simple: the Broken Fang Mountain Range truly contained terrifying forces. Some of those forces could not be resisted even by Invincible Existences possessing Supreme Treasures, leaving them without even a chance to escape.
Throughout the history of the Realmheart Continent, two Invincible Existences had fallen within the Broken Fang Mountain Range, losing their Supreme Treasures along with their lives. Those were bloody lessons that no one could ignore.
Eternal Night Progenitor naturally knew that Zhou Zheng was far stronger than ordinary Invincible Existences, but he was absolutely not invincible within the Broken Fang Mountain Range!
Bringing a Supreme Treasure in so casually—did he not care about it at all?
After all, Supreme Treasures contained Supreme Rules. Eternal Night Progenitor had also learned through other channels about that battle in the Hun'e Realm. Naturally, he could judge that Zhou Zheng's ability to unleash strength far surpassing any Invincible Existence had depended greatly on the Supreme Treasure, aside from Zhou Zheng's own power.
Without the Supreme Treasure, Zhou