The final tier of the Invincible Vajra Body was the Eternal and Indomitable Vajra Realm.

It was the Buddhist way of gaining eternal life.

There were a total of nine levels in the final tier of the Invincible Vajra Body. Passing through these nine levels of Vajra trials would cause one's body to evolve, finally reaching eternal life.

Wu Yu had not much to go on about regarding these levels. After all, Ming Long had not reached this stage before.

Therefore, Wu Yu could only go by his own knowledge, and would probably not be as quick in progressing.

Wu Yu sat in the void chasm and studied the final 1000 words of scripture, contemplating them a thousand times, ten thousand times, a hundred thousand times......

To him, these 1000 words were the most arcane and profound knowledge that he had ever come across. Even reading them 100,000 times, he still felt that he had not deeply understood them.

However, it was not a pressing matter. The many demon kings outside were more pressing.

These demon kings had started...