The Human and Demon Protection Array is the primary reason the Myriad Emperor World did not entirely succumb to the Devil Race Invasion. With its help, many Eternal Emperors died when trying to overthrow the balance of the world. With its service, the Academy could also exile the Heaven Devour Emperor.
The only downside was it would activate itself when the world was in danger, indicating it had a consciousness. However, with the Human and Demon Destiny Swords showing up, it could be actively activated and controlled.
"Your plan is good and all," said Panlong Clan Patriarch. "But the Sea Race does not have a protection Array."
"Patriarch Long, at this point in history, we all know that's a lie," rebutted Wang Wei. "For your race to prosper, they must have a Luck Condensing Artifact. And one of your Emperors should have calculated the benefit of a Racial Protection Array. Even the Spirit Race with the smallest population definitely has those two things."