Jiang Wu continued to move his hands on the snake's skin in the direction of the snake's tail.

It's a pity that from the head of the snake to the tail of the snake, and then from the tail of the snake to the head of the snake, I didn't even feel the fluctuation of Neidan.

"It's gone. Jiang Wu spread his hands.

The only thing that still looks more like Nedan is this black and slippery bead. In other parts, there is not even a single snake moan.

"So, this thing is Nedan?"

Li Xiao also stared at this inner pill that exuded a faint spiritual power in surprise.

If he hadn't dug it out of the Sky Swallowing Python himself, he would have thought that this was a five-year-old or ten-year-old snake that had just been condensed and formed.

Xia Gui also looked at the black Neidan lying on the ground suspiciously. Indeed, he couldn't feel the spiritual power emanating from the Inner Dan that matched the strength of the Heaven Swallowing Python's cultivation, and if he was allowed to identify it, it was very likely that it would also be regarded as a small snake's Inner Dan.

"Damn, I know!" Wang Bizhou suddenly slapped his thigh, and a look of epiphany appeared on his face.

Seven eyes suddenly focused on his face.

Wang Bizhou said: "I heard that this Sky Swallowing Python is the object of a failed experiment, and escaped from the northern base! You pay attention, this Sky Swallowing Python has two heads, if I guess correctly, the adults in the northern base conducted a double-headed test on it, but the experiment failed." ”

"Hmm!" everyone nodded, Wang Bizhou's guess was very likely.

Seeing that everyone was staring at him with bated breath, Wang Bizhou was a little proud, and he continued: "I read in a miscellaneous book that after the evolution of demon beasts fails, they may die, they may be completely destroyed in cultivation, and they are also very likely to mutate in some way. For example, a strong cultivation will be transformed into a powerful physical body, or the physical body will shrink and the cultivation will increase dramatically, and so on. The strength of this Sky Swallowing Python that failed in the experiment was stronger than before, which means that he should also have mutated. And the direction of the mutation is very simple, the physical body is strong, and the power of the soul has increased dramatically, so that the soul wall can be refined!"

Wang Bizhou paused and continued: "Of course, as a snake, its cultivation has been transformed into a powerful body and soul power, so there is almost no spiritual energy in the inner dan. That's why this inner pill is almost empty. Brother Jiang Wu, you can pick the muscles near Neidan and take a look, the aura there should be more abundant than other parts!"

Jiang Wu walked to the part where the inner pill was condensed, and gently slashed it with a dagger, and sure enough, he found that the muscles and flesh near that part were flowing with mysterious brilliance, containing an almost domineering energy, and the muscles and flesh were a hundred times stronger than ordinary parts.

It seems that the energy in this inner pill has really turned into the powerful body of the Sky Swallowing Python little by little through infiltration.

"Sure enough, Neidan's energy is absorbed by the muscles, so closer to Neidan's position, the more spiritual power will be!"

Seeing that the results of Jiang Wu's verification were the same as his guesses, Wang Bizhou was not without pride.

Before this Wang Bizhou became a dead man, he was also a young man from a scholarly family, he was literate and had read a lot of strange books. It's just that this little boy prefers to take quotes out of context, and sometimes the conclusions he makes are not necessarily correct.

But as the only well-read figure in the whole team, he has a voice that cannot be underestimated.

Everyone was dumbfounded and did not speak.

Xia Gui also looked at Wang Bizhou with tears and laughter, this Wang Bizhou said the same as the truth, and he almost believed this big fool.

"Fart, nonsense!" Budan, who was hidden deep in the dogtooth necklace, couldn't hold back his mood and began to scold in Xia Gui's mind.

"Teacher......" Xia Gui smiled bitterly.

Boudan said: "This kid has read a few broken books by himself, and he is here to talk nonsense and speculate! Demon beasts will indeed fail to evolve, and if they fail to evolve, there will indeed be the possibility of mutation." However, whether it is a successful evolution or an evolutionary failure, the muscles near the Demon Beast Neidan have stronger spiritual power than the muscles of other parts! This is because the spiritual power penetrates day and night, and the reason why this part is warmed and nourished is not because of the failure of mutation!"

Budan paused, "Besides, although this Sky Swallowing Python failed in its experiment, it was re-mutated under the nourishment of the Blood Demon Resentment Array, and it was successful. But why can't it see the aura in its inner dan? That's because ......"

Speaking of this, Boudin suddenly paused.

Xia Gui asked nervously, "Because of what?"

"Because these are two Nedans!" Boudin said.

Boudin's voice fell on Xia Gui's ears, like thunder rising from the ground!

"W-What, two Inner Pills!" Xia Gui's face suddenly became very nervous.

Budan said: "This Heaven Swallowing Python mutated and was born of two heads of yin and yang attributes, so it also gave birth to two inner pills of yin and yang attributes. It's just that these two inner pills have just been refined and have not yet been differentiated, so yin and yang are one. When the qi of yin and yang is mixed, it often cancels each other out and produces a balance, and on the surface, it is an inner pill without aura. ”

"The reason why this Inner Pill still has a trace of aura is because this aura is generated by the layer of Dan membrane on the surface of the Inner Dan!"

Xia Guiyi was stunned, "So the spiritual power we perceive now comes from the Dan membrane?"

"Yes!" said Boudin.

Hearing this, Xia Gui had already understood most of the truth of the matter.

This is not an ordinary inner pill at all, but two inner pills: a yin attribute inner pill and a yang attribute inner pill.

Because the attributes of these two Inner Dans clash with each other, they become a mediocre Inner Dan under the effect of canceling each other.

This Neidan looks unremarkable, but the energy it contains must need special means to be stimulated. Of course, that method may not be able to be thought of by others after racking their brains, but it is easy for Xia Gui.

Before the Sky Swallowing Python died, he once confessed to Xia Gui:

"Put my inner dan in my blood, and when they are all boiling, that's when the mystery is solved. ”

When he heard this at that time, Xia Gui was still the second monk and he was puzzled, but now looking at this Yin and Yang hedging Inner Dan, he finally had an epiphany.

"Teacher, I know, the last words of the Sky Swallowing Python are the way to separate the two Inner Dans!" Xia Gui said.

Boudin smiled slightly, "That's right, you still have good intentions in the end, and this Sky Swallowing Python is grateful to you for relieving his great fear, so he told you how to solve the puzzle." It's good, it's good, so we don't have to think about it. ”

Xia Gui also sighed a little.

At first, I just thought that such a big guy with such a high toe finally died trembling with the shadow of fear, which was really unbearable. So he fought to run out of food, and he also forced out a soul needle to help him relieve this fear. Unexpectedly, the Sky Swallowing Python was so admitted, and he actually told himself this secret.