"After the Great Demon Lord appears, we will kill him first, and then enter the Jiuyou World to see what's going on. I don't know why, but I always have a bad premonition. It seems that if we can't find out the Jiuyou World, If we don't know the secret of the underworld, then we will all perish." Ye Xiaofeng stared at the castle that exuded a terrifying aura amidst the billowing demonic aura, and said in a very calm voice. Hearing what Ye Xiaofeng said, the expressions of the three of them changed slightly. After cultivating to their level, they all have a mysterious sense that they can sense their own misfortunes and blessings. Although the three people did not feel it as clearly as Ye Xiaofeng, they also vaguely felt something. "After we appeared, there seemed to be a terrifying aura fluctuation in this area." Gui Jianchou said with a glint in his eyes. He vaguely looked at Ye Xiaofeng, as if he wanted Ye Xiaofeng to tell which master's aura it was. . "It's the aura of the fourth-generation Poseidon of the Deep Sea Clan. She is indeed quite powerful." Ye Xiaofeng nodded and said. "It seems that she is a low-key person who doesn't want to get involved with us. In order to protect their race, she released her powerful momentum." Xuan Shitian said. Ye Xiaofeng nodded in agreement. At this time, huge changes occurred in the billowing demonic energy. All the demonic energy quickly restrained itself and entered the black castle. This area finally returned to the time when it was not infected by the Nine Nether Demonic Qi. The black color gradually disappeared, but the infected marine life could not recover for a while. It seems that he has fallen permanently and will never return to his previous state. Not long after, the huge black castle slowly collapsed, and all the rules were wiped out. The black castle seemed to have lost its support, and everything turned into pure energy, and then disappeared. The center of the entire castle turned into a huge black hole, absorbing all the demonic energy. When the billowing demonic energy disappeared, a figure was revealed. This figure's body was completely wrapped in black energy. Two faint blue rays of light burst out from the eye sockets, and a terrifying corrosive aura emitted. The air was sizzling. He was the Great Demon Lord. The Great Demon Lord looked around, and then cast his gaze on Ye Xiaofeng. He suddenly stood up, and a huge aura rushed straight into the sky. This aura seemed to turn the entire world into a place of corruption. Many cultivators felt this aura, and many of their faces turned extremely pale. They seemed to have felt something, and they suddenly collapsed on the ground. Some people even went crazy. "Lord Fengye, we meet again. I don't know where your cultivation level is now." The Great Demon Lord stared at Ye Xiaofeng and asked. "It seems that your cultivation level has improved a lot." Ye Xiaofeng said slowly. He could feel that the Great Demon Lord's cultivation level had improved a lot. After the last battle with the Great Demon Lord, he realized that the Great Demon Lord was difficult to deal with, and I am afraid it will be even more difficult to deal with him now. " If he were alone, I'm afraid he wouldn't have the ability to completely keep the Great Demon Lord. Now that there are four top masters, it might be difficult for the Great Demon to escape. "Yes, I gained a lot from fighting you and realized a lot. Now that I have completely digested and absorbed it, my strength will naturally improve a lot. It seems that only in the battle of life and death, your cultivation will continue to improve and rise. "The Great Demon Lord's eyes flashed, "You have already discovered us. I'm afraid the reason why you didn't leave is because you want us to be your cultivation tools," Ye Xiaofeng said lightly, with a hint of smile on his face. A light-egg smile. "Yes, that's it. I need to work hard to improve my cultivation quickly. If I want to do this, I must be able to understand it in life and death. If you don't go crazy, you won't survive. If you don't even have this courage, don't talk about cultivation. Do it. Wouldn't an ordinary civilian be more realistic?" The Great Demon Lord glanced at the four of them and said. "As expected of a master of the Jiuyou clan, he actually has such persistence and such crazy thoughts. The witness makes people crazy!" Xuan Shitian showed a look of appreciation in his eyes. Although the Great Demon Lord is a master of the Jiuyou clan, but It does not hinder his appreciation of the Great Demon Lord. The madness in the Great Demon Lord¡¯s bones is exactly what he likes. It¡¯s the same as him, there is a kind of madness in his bones. "Thank you for the compliment, but I won't show mercy." The Great Demon Lord said calmly. "Hahaha, you are indeed the Great Demon Lord with character. Don't worry, we will not show mercy to you. In order to give you the most honorable way to die, the four of us will definitely join forces and use the maximum attack power to kill you. Kill, let you remember this scene forever." Xuan Shi Tianchang said with a smile. "Come on! I really look forward to fighting the four of you. Even if I die, I am willing to do so." The eyes of the Great Demon Lord exuded a dazzling light, like a faint excitement, and like something was about to happen. The fiery madness of huge battles. A strong fighting spirit emanated from him. This fighting spirit alone eliminated all the rules in this space. At this moment, the Great Demon Lord was like a man facing thousands of troops. The kind of heroic spirit he showed at that time was also like the kind of domineering way in which one man can stand in front of ten thousand others. "Fight." The Great Demon Lord looked up to the sky and roared loudly, and waves of echoes resounded between heaven and earth, spreading to all corners of the world. Demonic energy surged all over his body, changing from a state between reality and reality to a physical state. The demonic energy completely solidified, and a black armor was formed. This black armor was engraved with ancient mysterious patterns, and it seemed that it could Make his attacks sharper, his defense more amazing, and his explosive power increased several times. Facing the joint efforts of Ye Xiaofeng and the four of them, even the powerful Demon Lord activated his best form from the beginning. In a battle between masters, you must not be careless. A little carelessness will kill you. The Great Demon Lord stared at the four people with all his energy and energy. Xuan Shitian suddenly roared, and his body shrank to only three feet tall, but the power contained in his body was even more terrifying and frightening. He has completely entered a fighting state and can launch devastating attacks at any time. The ghost smiled sinisterly, the crystals in his eye sockets burst out with white flames, and his whole body burned. This was not an ordinary flame, but the fire of the soul. Nothing will happen to the real body when it comes into contact with this kind of flame, but the soul will definitely be burned to the ground. This is the scary thing about people who major in the soul. The body will not be hurt, and the attack force will directly act on the soul.