The voice from the bronze ball was filled with a deep sorrow, and it spoke a shocking secret into Wu Yu's mind: "This is the key of the Eternal Emperor Tomb. Destined one, take the tomb, find the culprit, and avenge all life on the Demon Immortal Realm! The flesh and blood of the ancestors will pave your way!"

These anguished words touched Wu Yu deeplpy. He could roughly guess what the being in the bronze ball was now.

"So the Eternal Emperor Tomb is where the eternal demon emperors of Demon Immortal Realm are buried. It was built to select a champion who will take revenge for the billions of lives lost on Demon Immortal Realm!"

Wu Yu found it hard to imagine. Who would lay down such a desperate and torturous wish?

The one who built the Eternal Emperor Tomb must be someone of incredible power. They were definitely not an ordinary eternal demon emperor. But even that being had been unable to take revenge for the Demon...