In the secret trial ground, Yun Jiu Ge said calmly: "It's just you and me here, Feng Jiu, you can use your own spells to your heart's content, I have to know how many catties and taels you have before I can teach you according to your aptitude!"

"Okay, I understand, Dean Yun Jiuge!" Feng Jiu could see at a glance that Yun Jiu Ge was very unfathomable, and being able to become her apprentice would be greatly beneficial to his growth, so he cast his own spells without reservation.

First of all, using his Chaos Blue Lotus Fire, Feng Jiu unfolded the Blue Lotus Blossom, and a large number of Chaos Blue Lotus immediately bloomed within a radius of ten meters, and the void cyan flame burned vigorously, almost rising into the sky.

Immediately, under Feng Jiu's light drink, the Qinglian cage was formed under the rapid growth and climbing of the Chaos Qinglian, which was enough to incinerate and destroy the prey in it. Immediately after his command to "explode", a violent explosion occurred in the Qinglian cage, and the flames surging and impacting, the power was stronger, enough to explode and burn the A-level or so abilities into ashes.

Then Feng Jiu used the Qinglian Meteor Fire and the Qinglian Annihilation, all of which were vast and devastating tricks, consuming a lot of his spiritual power. After Yun Jiu Ge saw it, he couldn't help but nod slightly and said in approval: "Feng Jiu, it's very good, I didn't expect that your understanding of the fire path is even more thorough than I imagined, and you can actually use it to this extent, but it's not enough, you need to improve!"

"Oh, I don't know what Dean Yun Jiu Ge thinks I need to improve?" Feng Jiu was slightly surprised, you must know that Qinglian Huo was taught to him by An Jiu, his confidante An Jiu in the ninth life, her realm is far higher than Yun Jiu Ge, there should be no flaws in the mantra she taught, use the fire path to reach the extreme, otherwise he would not be able to burst out with such great power.

"If I'm right, Feng Jiu, you should use the fire path that first condenses and then disperses, so that you can carry out a large-scale devastating incineration. But have you ever thought about using a fire path that is condensed and compressed to the extreme? Although the risk is very high, once it succeeds, it can burst out with extraordinary power, and I will show you it now!"

Yun Jiu Ge's slender jade hand immediately ignited a purple strange fire, it was actually a very precious and powerful purple cloud falling fire, although it was far inferior to Feng Jiu's Chaos Blue Lotus Fire, but it could be said to be one in a million among the flame abilities. And her strength is high, and she is even more handy in using it, and she quickly gathered into a shocking fireball, wanting to burn the sky and the earth.

It didn't take long for the fireball to reach its limit and could no longer grow in size, otherwise it would only explode on its own. But at this moment, Yun Jiu Ge's spiritual power controlled it to compress it desperately, only to see that it was getting smaller and smaller, and the original light purple turned into dark purple, looking a little shaky and trembling, Feng Jiu was really worried that if she couldn't control it carelessly, it would explode.

But under the precise control of Yun Jiuge's terrifying spiritual power, this fireball did not explode after all, and now it has formed the size of a fist, and the color has turned purple and black, Feng Jiu can feel the terrifying energy contained in it, and even he is secretly frightened.

But this is not over, Yun Jiuge actually controlled the purple and black fist fireball to compress it again, and the more it was compressed, the greater the rebound force felt. Feng Jiu was scared, if it really exploded accidentally, with its explosive speed and terrifying degree, it was estimated that he wouldn't even be able to escape, it was just a matter of looking at his life.

But fortunately, Yun Jiu Ge successfully completed the process of extreme compression, and this fireball actually turned into only the size of a fingernail, completely turning black, don't look at its small, the fire energy in it can blow up the entire secret trial ground to the ground.

"As the saying goes, a spark can start a prairie fire, if I smash this purple cloud firefly out, the secret trial ground where we are will be razed to the ground, reduced to a sea of fire, and we can't escape if we want to. Now you should know the horror of compressing to the extreme flame, once you don't use it well, it will eat itself, are you sure you want to learn?" Yun Jiu Ge explained lightly and asked.

Feng Jiu was silent for a while, and now he finally knew why An Jiu didn't teach him this trick, because he was afraid that he would be injured because of it, or even die of backlash. But Yun Jiu Ge didn't have this concern, she didn't have such deep feelings for Feng Jiu, as his mentor, she naturally had to teach well without reservation, and this trick was also practiced by her through countless failures.

But then Feng Jiu still figured it out, with his current strength, he can indeed be the king in Nanhuang City, but it is obviously not enough to see it in Yundu, a place where people are outstanding and masters. In addition, he has not yet found an elixir that can improve his realm, and it is also a way to improve his spell power at present.

Therefore, Feng Jiu immediately made up his mind and asked Yun Jiu Ge: "Dean Yun Jiu Ge, you said that I want to compress the flame to the extreme like you, what conditions do I need?"

"If you want to compress the flame to the extreme, one is to have incomparably strong spiritual power, the second is to have precise and subtle control, and the third is to make the flame a part of you.

After hearing this, Feng Jiu realized something, nodded and said, "Okay, Dean Yun Jiuge, thank you for your teaching, I will understand it well." But in addition to the fire spell, I also know the dark spell, I wonder if you want to take a look?"

Yun Jiu Ge was surprised, and said, "I didn't expect Feng Jiu to be so talented, your Dean Nangong Qing didn't tell me about your dark spells." Well, even though I don't know the dark ability, I'm also well-informed, and I might be able to give you some advice, so it's okay for you to show it off!"

So Feng Jiu immediately unleashed his own dark spell, he first used the Shadow Absolute Illusion, only to see that his body immediately turned into a virtual black shadow and disappeared in place, which can be described as elusive. In the faint shadow, he quickly took out the Nether Blade and performed the Shadow Kill, the figure seemed to teleport by, so fast that people couldn't see clearly, only the clear dark blade light cut through the sky.

After that, Feng Jiu's shadow splitting technique was revealed, and a large number of black shadows were divided, separated like a heavenly maiden scattering flowers. Soon, under his command, those dark shadows all completed a shadow kill, although the power is not as good as his body, or even half of the power, but the number is so large that it is difficult to distinguish his true body.

In the end, Feng Jiu dissipated all the black shadows that had completed the task, revealing his true body, and then asked Yun Jiu Ge for advice: "Dean Yun Jiu Ge, I don't know if you think there is a problem with my dark spell?"

Yun Jiu Ge pondered for a while, and said lightly: "Feng Jiu, I have to say that you are also wonderful in the use of dark spells, and ordinary opponents are really difficult to deal with you. But once you meet someone with a much higher strength than you, those dark shadows of yours are just a flash in the pan for him, and you can easily see your true identity, so you still need to improve!"

"Dean Yun Jiuge, can you tell me what needs to be improved?" Since listening to Yun Jiuge's careful teaching to him before, Feng Jiu's impression of her has changed greatly, and it seems that having this dean on the table will still be of great benefit to his cultivation.

"That's right, Feng Jiu, although your dark spell can be used superbly, it is still formless and godless, and you can't burst out the extreme power of the dark spell. Therefore, you must endow the dark spell with a soul, that is, the heart will come out at will, and treat it as your own doppelganger, so that it can be called a truly powerful dark spell!" Yun Jiu Ge explained methodically.

Feng Jiu immediately realized when he heard this, and he had to say that Yun Jiu Ge was very reasonable, his use of dark spells was indeed only based on the mantra, and he did not give it his own soul, treating it as a clone. As for his Shadow Splitting Technique, it is not to summon a clone with a real soul, but only to attack according to his commands, like a puppet.

So Feng Jiu was in awe of Yun Jiuge, she deserved to be an SS-level primary ability, as the head of the first academy, her opinion was so nuanced, and the use of her own abilities reached an unfathomable level, even he who had the memories of the previous two lives was instructed, no wonder countless people dreamed of becoming her disciple.

After that, Yun Jiu Ge saw Feng Jiu enter the comprehension, and understood that it was inconvenient to disturb, so he immediately took his leave and ordered: "Feng Jiu, since you have some understanding, then I will leave first, and you can cultivate with peace of mind in this secret trial ground." In addition to the quiet room here, you can also go to other places here, which may help you improve!"

"Okay, I understand, Dean Yun Jiuge, I will cultivate hard and will not live up to your expectations!" Feng Jiu assured with a face.

Yun Jiu Ge nodded, and immediately turned around and left, and the slender and charming tall figure quickly disappeared into the secret trial ground, leaving Feng Jiu to cultivate in it alone.

Feng Jiu remembered Yun Jiuge's previous teachings, pondered, sighed lightly, and said to himself: "An Jiu, although I don't know your true origin, and even found out that you have reservations about me, I still thank you for appearing in the memories of my previous two lives and taking care of me meticulously. Now that I have met Dean Yun Jiuge, she has opened a new way for me to cultivate, although it is very risky, but it will be of great benefit to the enhancement of my spell power, so I have decided to study, and I can only live up to your expectations!"

So Feng Jiu immediately delved into the matter of compressing the Chaos Blue Lotus Fire to the extreme, and after many attempts, he found that the difficulty of this matter was too great for his spiritual power and spiritual power consumption. And there were many failures, and several times when he condensed into the size of a lotus canopy, the fireball would suddenly explode and blow him up to the ground.

"Alas, it seems that it is really difficult to do this for a while, presumably Dean Yun Jiu Ge also managed to get it through countless failures, I really don't know how a woman like her can bear the past. Feng Jiu couldn't help but sigh, even he couldn't succeed with so many failures, Yun Jiuge's experience can be imagined.

"But didn't Dean Yun Jiu Ge say that there are other places in this secret trial ground? Since this is just a retreat room for cultivation, then other places must be more exciting, just go and take a look!" Feng Jiu suddenly remembered at this time, and immediately left the meditation room, preparing to go to other areas of the secret trial ground to take a look......