Xu Yang dared not delay. He raced far from the underwater cave and reached an uninhabited stretch of river. Quickly taking out a Spirit Beast Bag, he tossed it into the air. The Heaven-Slaughtering Dog burst out, its enormous form towering a hundred meters high. The moment the dog emerged, it let out a continuous roar at the tribulation clouds overhead.
After appearing, the Heaven-Slaughtering Dog hovered above the water, its aura incredibly fierce. Xu Yang's eyelids twitched at the sight, and he was deeply shocked. He had been cultivating when he suddenly sensed a disturbance in the Spirit Beast Bag. A sweep of his divine sense revealed that the Heaven-Slaughtering Dog had successfully broken through and formed a Demon Core inside its body. It wanted to come out and undergo its tribulation, so Xu Yang naturally dared not delay. If he was too late and the tribulation lightning struck...