The divine realm had cannons, but Chu Yunsheng also had Cannon Insects. And the number of his Cannon Insects were definitely more than the divine realm's cannons.
The reason why he had not attacked the divine realm was that he wanted to reduce the divine realm's energy as much as he could. He did not believe that the divine realm had unlimited energy. Moreover, he believed that it needed to use most of its energy to complete the return process.
So only until the palace started to have cracks did Chu Yunsheng finally order the swarm to initiate the first round of the attack.
In the creep area, all the tombs were constantly emitting the black smokes. They were non-stop producing the insects one after another.
Around three hundreds of long Cannon Insects were gathered together. And all of them raised their heads and were ready to fire…