Gu Yan was born into a great family in the Upper Three Realms. He has read all kinds of secret books since he was a child and has a wide range of knowledge.

   "Those things in your classics that generate and restrain each other are not very useful, or you can only deal with one kind, or you can't make up the number, don't look at it in vain."

   He paused and said, "Vampire vines hate fire-type things the most, but blood eggs like them, and blood eggs hate ice-type things, but blood-sucking vines like them. You may be able to start with this."

  The two interdependent demon plants and monsters have complementary attributes that they like and dislike, which is why they are so difficult to deal with. One can kill one, but not the other.

   "Can the ice-type and fire-type spirit planters be able to attack together? It's the kind that releases more balanced spirit power." Yu Qingqian thought for a while and asked.

Gu Yan shook his head: "After they are released together, the blood-sucking vine will absorb the ice-type spiritual power attack, and the blood egg will absorb the fire-type spiritual power attack. Some people have used this method long ago, but they are helping them. "

  Yu Qingqian touched his chin and said in agreement, "That's right, the Fazi army, who are mutually reinforcing and restraining each other, must have also considered it. If it can't be used, let us find a way."

   But Yu Qingqian is not discouraged. The more difficult things are, the more she likes to study and conquer them.

  Gu Yan saw Yu Qingqian thinking about it for a long time, and couldn't help but ask, "Xiao Qingqing, is there anything you can do?"

   "I have some ideas, but I still need to go to the site tomorrow to get some blood-sucking vines and blood eggs to study." Yu Qingqian said truthfully.

  Gu Yan raised his eyebrows: "Do you want to refine the potion to deal with?"

   "There is such an idea, but it's not all." Yu Qingqian shrugged: "I only have a preliminary plan now, and I have to try it for a while before I know if it's feasible."

   Then she fell on the bed, "I have been using space teleport frequently recently. I need to sleep more to replenish my mental strength. Master, please help me to watch. If there is any news or situation, wake me up."

   "You can rest assured to sleep." Gu Yanxin couldn't be lifted up by Yu Qingqian, but he could only wait helplessly to see the answer.

   Here, Yu Qing took a deep breath and fell into a deep sleep, but there was another guest in Feng Chen's tent.

   "I have seen the young master!" Yun Yan quietly appeared in Feng Chen's tent and bowed respectfully to him.

   Feng Chen was drawing something, but without raising his head, he asked aloud, "Is there something wrong with the nine elders?"

  Yun Yan looked at the young master who was still a light-hearted one and sighed very much. This heir of the Yun clan, who was suddenly decided by the maverick and resolute of the great ancestor, was better than legends and imagination.

   "I'm here today to inform the young master of the methods that the army has tried before, so as to save you from wasting time and effort again." Yun Yan walked to Feng Chen's side and put a jade slip on the table.

   Feng Chen nodded slightly: "Thank you!"

   "Young Master is too polite! I have another message to tell Young Master."

   Yun Yan couldn't help but said, "The person who gave you two special tasks recently was not Commander Lu, but the referee's request."

   Feng Chen's pen and ink on the rice paper paused for a while and continued to outline, "Can the referee still order to move Commander Lu? It seems that his identity is worth scrutinizing."

"The chief referee is said to be a messenger of the upper three realms. He was trapped in the lower four realms more than 30 years ago. Since this time, the young master is asked to complete these tasks that ordinary people cannot do, it must have a special meaning. I hope the young master has a special meaning. Miss He Yu can pay attention to one or two." Yun Yan reminded.

   Feng Chen smiled playfully: "Okay, I get it!"

   Yun Yan didn't stay too long, and after a few more words with Feng Chen, he left the tent.