C303 The Cultivation World(4)

"Survival of the fittest, death..." Xie Yu lowered his eyes and pursed his lips, "I will have enough strength to protect it and not let down the inheritance of the Dark Secret Realm."

His voice was very low, but it was as firm as an oath.

Black Eyes blinked and looked at the Book of Sky floating in the center of the Spiritual Ocean. At this moment, the Book of Sky was flipping through the pages