Before entering the Iron Dragon Cave, there were obstacles on the way to the march, and tens of thousands of troops were blocked by the fog swamp, and it seemed that they would never reach the Iron Dragon Cave again.

At the critical moment, someone helped, Yun Ye Langjun and Xi Mutong both guessed who it was, but Xi Mutong never mentioned his name and surname, and only said that he was assigned by the Ghost District, and the army followed the golden thread burned by the fire and killed directly to the Iron Dragon Cave.

Xi Mutong said that the place where the army was stagnant was only one step away from the entrance of the cave, and it was really true, not far away, the people who took the lead saw a stone forest covered with moss in front of them.

Each stone in the stone forest was about two people tall, and the stone was engraved with strange runes, revealing from the green moss underneath, and the mystery was overwhelming as soon as it got closer.

After the army on the red line resumed its march, Xi Mutong had already emitted a purple flag light, signaling the other teams to also move quickly along the golden line, so when the Red Flame Battalion reached the southwest end of the pentagonal shape, the 3,000 men of the Dragon Storm Battalion had also arrived. However, in the event of a sudden fog swamp incident, they also lost nearly 100 rioters.

When all the horses arrived, the foggy swamp was left behind, and when people looked back at this time, they saw that it was still a spacious red road, and the swamp pond that had killed people just now was gone, and they didn't feel strange.

Xi Mutong called Chiyan and the Ghost King, and said to the two: "There are a total of ninety-nine stone trees in this stone forest. They may seem hard and old, but if you burn the runes that cover them, you will sink into the ground. When all the runes are burned, the entrance of the cave will appear, and at that time, the ghost soldiers will stay outside the cave, and the divine soldiers will follow me in, and first guard the Longmu Hall, so as not to be swept away by the light of the dragon's eyes. I have to explore the way first and find out where Nangong Xiang is, so that I can determine how to deploy troops after entering the cave. ”

At this time, the dragon storm placed troops at the southwest point of the pentagonal shape, that is, on the right hand side of the stone forest, and came to report to Xi Mutong. Seeing that the two generals gathered, Xi Mutong said: "The Tielong Cave is the main place for Nangong Xiang's activities, and there is not as much news as the various districts outside the cave, but there are some small tricks. Although there are many caves inside, someone has to break down every one of them. You get ready, subdivide the personnel into the Kaneki, Water, Fire, and Earth teams, and then use the fire of the Hokage to burn the runes from the stone. ”

The second general took action as soon as he received the order, and as soon as the red fire of the fire of the fire ignited the moss, it spread over a large area, and when the moss disappeared, the rune disappeared, and then the tall stone "rumbled" and sank into the ground. When the last stone tree disappeared, people saw a black entrance to the cave, which was not as strange as expected, but the entrance of the cave grew a circle of sharp stone teeth, as if anyone tried to enter the cave, it would be bitten and swallowed into the belly of the monster.

The cave has appeared, Xi Mutong pulled out his legs to leave, but was stopped by the ghost king, and hesitated slightly: "Tong'er, I heard about it before I came, Nangong Xiang intercepted a small section of the Ten Thousand Souls Bone Snatching Lock at the top of Mount Tai, and used the power of the underworld accumulated in the lock for ten thousand years to manipulate the wolf army. Even if he loses the battle of the clouds, this power of the underworld will not be lost. What can you do?"

When the Five Mountains were fighting, Xi Mutong fought Nangong Xiang on the top of Mount Tai through the dragon tooth mirror to prevent the Ten Thousand Souls Bone Snatching Lock from being taken away by him, but he still couldn't completely stop him. Even if the energy in the Void Cold Valley could no longer be continued, the power of the underworld would not be affected, and she knew in her heart that she knew that this battle must take back that small piece of chain, but she always avoided mentioning this matter.

Yun Ye Langjun suddenly asked, and she replied calmly: "The Bone Snatching Lock has been controlled by me for five hundred years, and I know very well what kind of habits it has. Nangong Xiang can use it for a while, but it is difficult to have it for a long time. After this battle, I will definitely take it back and destroy it, Brother Yun, don't worry. Everyone, please wait here for a while, and I'll go back as soon as I go. ”

This kind of indifference again, Yun Ye Langjun knew that her heart was experiencing turbulent waves, and it was by no means as calm as she showed on her face, so she could only sigh and see the white figure disappear at the entrance of the Iron Dragon Cave.