"Hahaha!" Murong Lan laughed, "This cold iron also has spirituality, and he has already recognized me as the master at this time!" With that, Murong Lan took the cold iron into his body.

"Wow~" Youlong didn't expect that Murong Lan had really refined the cold iron, and what Brahma hadn't done for so many years was actually done by Murong Lan.

"You want to say why Brahma didn't refine this artifact, right?" Murong Lan carefully sensed the cold iron in his body, "Brahma is not willing to use so much blood to refine, but I use pills against it!"

"Hehe, Gongzi is the child!" Youlong praised, for three years, Murong Lan sprinkled blood every day, sprinkled more if his physical condition was good, and less if he was not good, it was not interrupted for a day, and in addition, he had to give Xuanwu a drop of blood every day.

"I'm recuperating, and then I'll help you fuse the cold iron!" Murong Lan said and began to breathe, now he needs to cultivate as soon as possible.

Ten days later, Murong Lan opened her eyes.

"Childe?" asked Youlong, "you've been healed so quickly?"

"No, it's the communication jade card that has information coming!" As he spoke, Murong Lan took out the communication jade card;

"Brother, the demon factor has been studied. ”

"What did you find?" Murong Lan replied with a message.

"Sixth Brother (Murong De) and I found that the bloodlines of all races are flawed, and the demon factor can play a role in improvement, and it is refined according to the knowledge passed down by the Heavenly Demon, and the Heavenly Demon is really good, and I don't know how their clan can have such comprehensive knowledge. Mu Li said with tears, "And the demon clan studied frantically after getting this knowledge, hoping to give birth to a Spirit Emperor-level powerhouse, but unfortunately it was destroyed by you, brother, hehe~"

"You said so much, could it be that you have made any progress?" Murong Lan asked again.

"Of course there is, what I and the sixth brother have learned are complementary to each other, plus the Hundred Poison Boy and the books you brought, so the research has been very smooth over the years, and we have not only understood and strengthened the research of the demon factor, but there are not many finished products, and only two copies have been made. Mu Li's tears were a little smug in his words.

"Then why has the demon clan not achieved results for so many years?" asked Murong Lan.

"It's not that it's fruitless, it's that the effect of this demon factor is too strong, and few people in the demon clan can withstand it!" Mu Li said with tears, "Anyone who takes the demon factor will explode and die!"

"It's so strong, then this demon factor ······" Murong Lan didn't expect that this demon factor would be useless when it was developed.

"Brother, I guess, this demon factor should have a trace of the blood of a six-eared macaque!" Mu Li said with tears, "Why do you say that, except for the four chaotic monkeys, I really can't think of anyone else who can leave a powerful evil thought with a trace of blood!"

"Well, then you put away the demon factor first!" Murong Lan said, "Then what is the specific effect of this demon factor?"

"It's still like that, we can fuse a large number of bloodlines into one!" Mu Li said with tears, "After we strengthen it, there will be no rejection after fusing the bloodline!"

"Well, very good, little tears, you guys take a rest first, and then ask how the children of the Murong family are developing now!"

"Good!"

Murong Lan stood up and came outside.

"Master, congratulations on receiving the artifact!" Yu Qiang hurriedly stepped forward to salute.

"Well, you go with me!" and the man flew into the air.

The two went straight to the demon world.

"Lord Wang, why are you here?" The nine-tailed fox saw Murong Lan, and his heart was also tight, the other party had nothing to do, and the last time he took the initiative to prepare for that big battle.

"Why is the nine-tailed fox senior with this expression, as if I owe you something~" Murong Lan said with a smile, "By the way, I haven't asked the name of the nine-tailed fox senior yet?"

"The cheap name of the concubine will not stain the ears of the prince, let's tell me what I owe you~" The nine-tailed fox unconsciously revealed a charm.

"Hey~ Senior, what are these words, you don't owe me anything!"

"Don't say that, you better tell me your origin quickly, you asked me to gather the divine beasts a few years ago, it won't be without a reason, you should say it, I'm so relieved!" said the nine-tailed fox and found a chair to sit down.

"Then you're welcome, I want each of your divine beasts to give me one-third of the essence blood!" Murong Lan said in a deep voice.

"What!" the nine-tailed fox stood up in shock, "a third, or all the divine beasts?"

"That's right!" Murong Lan nodded.

"Lord Wang, don't go too far. The nine-tailed fox said angrily, after the end of the war, Murong Lan concentrated the divine beasts, and the nine-tailed fox was very worried, but he didn't expect it to be for the essence blood, it would be fine if there were one or two. But Murong Lan opened her mouth to be all the divine beasts, which made her how to coordinate.

Facing the anger of the nine-tailed fox, Murong Lan's face was still calm, and his eyes looked at the nine-tails unchanged, "Senior, do you give or don't give." ”

Looking at the calm eyes, the nine-tailed fox gradually lost his anger after a quarter of an hour, and sat back in his chair, "There are so many divine beasts, how can I speak~"

"I also know that this is not easy, so I can give you a year, can you?" asked Murong Lan.

"Okay~ I'll coordinate, but this time will be delayed for a few more days. ”

"How long?"

"It won't be more than two years, how?" said the nine-tailed fox, "I'm going to convince them one by one!"

"Yes!" Murong Lan saluted the nine-tailed fox, "Thank you senior!"

"You, hurry up, I see you with a big head!" The nine-tailed fox looked at Murong Lan's respectful expression, and for a while some anger rose, and immediately pulled him up and pushed him out of the house.

"Oh, I just came, why are you still rushing people~" Murong Lan pretended to be flustered and said.

"Hurry up, hurry up!" The nine-tailed fox ignored Murong Lan and pushed Murong Lan out with all his might.

Seeing that the gate was closed by the nine-tailed fox, Murong Lan shouted inside, "My slave is still inside!"

As soon as the words fell, Yu Qiang was thrown out.

"Yu Qiang, you were thrown out by her like this?" Murong Lan snorted, "It's really embarrassing~"

"Master, I don't want to either, but that Jiumei is also very strong, not weaker than me!" Yu Qiang said with his head down.

"Hey, I didn't expect that big battle, and the nine-tailed fox has made a lot of progress~" Murong Lan touched his chin, "By the way, you just called her Jiumei?"

"Well, her name is Jiumei!" Yu Qiang said, "When the Yu Clan, the Wu Clan, and the Demon Clan were fighting, Jiumei was very powerful. ”

"With such a name, no wonder she didn't tell me~" Murong Lan said, leaving with Yu Qiang.

Murong Lan asked the cadre, it would take some days for the Dragon Pool to be refined, but it would not be too long, so Murong Lan simply stayed in Chaoyang Valley, just using this time to help the Dragon Huang Blade fuse with cold iron.

Entering the Jidu battleship, Murong Lan first looked at Di Soul and the others, but they were still unconscious, but under the perception of divine thoughts, Murong Lan knew that they were recovering, but he didn't know how long it would take, they would wake up.

Walking into the meditation room, Murong Lan began to try to help the Youlong Huang Blade, and at first Han Tie was still very resistant, and it was not until thirteen years later that Han Tie gave up resisting.

In the thirtieth year, the Ghost Dragon Blade can slowly fuse and fuse cold iron.

"Childe, I just felt that I could recover as long as I fused this cold iron, but after I fused, I might fall asleep for a while!" Youlong's tone was a little excited.

"Well, that's good news!" Murong Lan said with a smile.

The rest of the matter depends on Youlong himself, so Murong Lan began to cultivate in the meditation room, especially the bloodline of the Four Monkeys of Chaos, he has not yet completely refined, let alone mastered the changes.

A hundred years later, the Dark Dragon Blade not only restored the cold iron fusion to its original state, but also woke up from its slumber, but it didn't know what progress had been made.

"Childe, how are you cultivating?" asked Youlong.

"It's very rewarding, first of all, my power has been completely transformed into the power of chaos, and the five elements in my body have intensified in the past, and now they have become two stages of intensification, that is, yin and yang, or black and white·······" Murong Lan said, "Maybe that's a bit inaccurate. ”

"I guess it's the mutual intensification of the opening of the heavens and the annihilation!" said the dragon.

"Ah, that's right, it's just not accurate, if you explain it with a pattern, it will be accurate!" Murong Lan said, "That's the pattern of this black and white Pisces!" As he spoke, a black and white Pisces pattern appeared in Murong Lan's hand and slowly turned.

"But I don't understand, why doesn't Childe use the Five Elements?" Youlong asked.