Heavenly Net Continent, Dragon-Phoenix Pavilion, Dragon-Phoenix Ancient City.
After hearing Mandala's explanation, Xiao Tian Ce nodded. It was much as he had expected: experts at the Heavenly Sovereign level could not enter the Ancient Heavenly Palace directly.
Otherwise, they would trigger the formations inside the Ancient Heavenly Palace, sealing off that entire realm completely.
Decades ago, when the Nine Heavens Corpse Demon Emperor broke free, Xiao Tian Ce, Qin Tian, and the other experts had noticed something unusual about him.
At the time, they had assumed his strength had plummeted because he had only just escaped his seal. Now, however, it seemed that was not the case.
The Nine Heavens Corpse Demon Emperor, known as the "Heaven-Devouring Demon Emperor," was precisely the Demon Emperor whom the Heavenly Emperor had sealed inside the Ancient Heavenly Palace.
He came from the Devouring Demon Clan, one of the Thirty-Two Great Clans of the Extraterrestrial Evil Clan.
In a sense, he was not one person, but nine-and all nine were Demon Emperors. Back then, the Devouring Demon Clan had possessed nine Demon Emperors. In pursuit of the ultimate pinnacle, the nine demons had merged into one, gaining terrifying, unrivaled strength.
In the end, those nine became the Nine Corpse Heavenly Demon Emperor.
In the original story, the Nine Heavens Corpse Demon Emperor had launched a massive assault on the Ancient Heavenly Palace during the Ancient Era. Its master, the Ancient Heavenly Emperor, had destroyed seven of the demons before sacrificing his life to seal the remaining two.
At this thought, Xiao Tian Ce understood. The Nine Heavens Corpse Demon Emperor currently among the Extraterrestrial Demon Clan was actually only one of the two demons left inside the Ancient Heavenly Palace. The other Demon Emperor had never escaped and was still inside.
That explained why