Summer is immersed in practice. With such strong star power in the empty mountain, he naturally has to make good use of it.

Three days passed quickly. Suddenly, the secret chamber where Summer Chen lived was shaking slightly. He immediately opened his eyes and found that not only the practice chamber, but also the whole house of Emperor Xuanzhen was shaking.

At the same time, accompanied by a voice echoing through the void: "Xuanzhen, the old man is not invited to come today, do you not come out to meet?"

Almost all the people in the Great Emperor's Palace heard it, and they were curious about the summer day. Who...