Although Lin Mu's punch hurt him very much, in Lin Mu's eyes, it was difficult to hide his excitement.

"It's done!"

Mana immunity This is a stunt against the sky, in today's fairy world, there are fewer and fewer immortals refining the body, and spells are rampant, if Lin Mu can be immune to mana, it will be such an invincible thing.

After the excitement, Lin Mu also quickly calmed down. Although Qi Qi's flesh and blood did allow him to comprehend the true meaning of mana immunity, Lin Mu's current cultivation was too low, and at most he was immune to Da Luo Jin Xian's spell attacks.

If the strength of the Great Luo Golden Immortal is exceeded, his mana immunity will be invalid. And even in the face of Da Luo Jin Xian, this mana immunity has a limit, and it can only withstand three times at most. After three times, this mana immunity will be invalidated.

"Three times is enough, with the many means I have mastered now, three times should be enough for me to kill the ordinary Da Luo Jin Immortal. Lin Mu clenched his fists instead, and his eyes burst into light.

Glancing at the Blood Spirit Dragon, which was still a treasure, Lin Mu did not wake up the Blood Spirit Dragon, but entered the chaotic world by himself, preparing to upgrade the Shadowless Knife.

The level of the Shadowless Knife could not match his own cultivation, this drawback had been revealed many times, and Lin Mu had to solve this problem today.

This time, Lin Mu is going to use Chaos Fire to upgrade the Shadowless Knife, the Chaos Fire itself contains Chaos, which can kick out the impurities one step closer, which is only good for the promotion of the Shadowless Knife.

Lin Mu first threw the Shadowless Knife into the Chaos Fire, and let the Chaos Fire melt the Shadowless Knife first.

After melting the Shadowless Knife, Lin Mu also threw all the top-level immortal materials he had obtained into the chaos fire.

With the continuous fusion of these top-level immortal materials and the Shadowless Knife, the Shadowless Knife in the Chaos Fire, the aura is also constantly improving and rising.

Second-level immortal weapon!

Level 3 Immortal Weapon!

Fourth-level immortal weapon!

In the end, the breath of the Shadowless Knife stabilized above the fourth-level peak immortal weapon.

The Shadowless Knife emitted an empty trill, as if expressing strong dissatisfaction with his failure to enter the fifth-level immortal weapon.

Between the fourth and fifth level immortal weapons, don't look at the difference of only one level, but beyond the fourth-level immortal weapons, they are qualified to be called the king's soldiers, and they can already withstand the immortal yuan of the immortal king, and at the same time, they can also withstand the full force of the immortal king, which is a qualitative change.

Feeling the dissatisfaction of the Shadowless Knife, Lin Mu hesitated for a moment, and also took out a bowl-sized Kwai Water Iron Crystal and threw it into the Chaos Fire.

"Boom!"

With the investment of Kwai Shui Iron Crystal, the Shadowless Knife also broke through the shackles in an instant, and from an ordinary immortal weapon, it became a king weapon.

Five-level pinnacle!

This is the level that the Shadowless Knife will eventually stay at, and Lin Mu also knows that this is already the highest-level immortal weapon that he has been able to refine so far.

Even so, it was thanks to the top-level immortal materials and chaos fire he used, as well as the supernatural nature of the Shadowless Knife itself.

Otherwise, relying on Lin Mu's own strength, being able to refine a fourth-level immortal soldier is already the limit.

Lin Mu removed the chaotic fire, and the Shadowless Knife was also reshaped, and the reformed Shadowless Knife also emitted a burst of treasure light that only the king's weapons had.

Lin Mu looked at this burst of treasure light, and also raised his hand, and then the Shadowless Knife also regained its calm.

The Shadowless Knife is too miraculous, if it is made so precious that it does not have to do anything else, it will be remembered every day.

"Buzz!"

For Lin Mu hiding his treasure light, the Shadowless Knife was obviously dissatisfied, and it also sent out a shock.

Lin Mu looked at the shadowless knife that showed a vision, and also whispered: "If you don't want me to be hunted down and killed every day, and you end up in the hands of other people, you'd better keep a low profile." ”

After a pause, Lin Mu said: "But you don't have to be in a hurry, one day, I will make you shine brightly, shining on the entire fairy world, so that no one dares to look directly at your light." ”

The Shadowless Knife seemed to understand Lin Mu's meaning, and at the same time, he also thought about Lin Mu's last expectations, and automatically hid the treasure light on his body and became unpretentious.

Lin Mu was also amazed when he saw this strange transformation.

The Innate Supreme Treasure has a spirit, this is well known, and now the Shadowless Knife has just been a fifth-level immortal weapon, and it shows such a miracle, and it is not impossible to surpass the Innate Supreme Treasure in the future.

Blink of an eye at the Celestial Dragon Bow in the depths of Chaos, Lin Mu felt that the Shadowless Knife was in the future, and it might be possible to surpass the Celestial Dragon Bow.

"Roar!"

As if sensing the contempt of the forest, the Celestial Dragon Bow also shook violently, causing a lot of chaos to shatter.

Seeing the appearance of the Heavenly Dragon Bow, the Shadowless Sword was also eager to try.

Lin Mu patted the Shadowless Knife and comforted: "You are not an opponent yet, but one day, I will make you the strongest." ”

Lin Mu's comfort obviously worked, and the Shadowless Knife also quieted down.

Lin Mu came out of the chaotic world, and the Blood Spirit Dragon was already awake, and he was circling around the Medicine King Ding at this time.

The two bowls of treasure soup had already benefited the Blood Spirit Dragon a lot, and at this time, the Blood Spirit Dragon was also hesitating, not knowing whether he wanted to continue drinking.

The energy of Bao Tang is too great, and if you drink too much, the benefits are endless. But if you drink too much, you may be in a hurry for quick success and hurt yourself in the end.

"How much did you drink just now?" the Blood Spirit Dragon also raised his head when he saw Lin Mu coming out.

"Eleven bowls!" Lin Mu didn't hide it, and said truthfully.

"What a demon! As a dragon, I've only drunk two bowls. The Blood Spirit Dragon also sighed when he heard Lin Mu's words.

"Then have you realized the root of mana immunity?" the Blood Spirit Dragon asked.

Lin Mu nodded and said, "I have realized something." ”

When the blood spirit dragon heard this, his eyes immediately lit up, and he said: "Then you can pass it on to me, I am worried about whether to drink two more bowls desperately, since you have realized it, then I don't have to work hard, these soup bases can be eaten hot pot in the future." ”

Lin Mu listened to the words of the Blood Spirit Dragon, and it was also a black line in his head. Such a treasure soup is used to eat hot pot in the future, which is simply a waste.

However, Lin Mu thought about it, if there were any top-level immortal or holy medicine in the future, and if he caught a few descendants of primeval divine beasts, it would be just right to brush the hot pot with such a soup base.

Lin Mu put away the Medicine King Ding and temporarily sealed the 'soup base', and then he also realized the Tao and taught it directly to the Blood Spirit Dragon.

After the transmission was completed, the fire curtain outside also turned into a fire cloud again, and it was obvious that after the Aoi Water Iron Crystal was obtained by Lin Mu, the mutation here would be over.

"Gather a little more, and it's time to leave. Lin Mu looked at the dissipating fire curtain outside, and the reduced fire poison said.

"Haven't you seen what is inside that Xuan Immortal's ring?" the Blood Spirit Dragon said to Lin Mu.

Lin Mu said, "What can be in a Triple Heaven Xuan Immortal Ring?"

It is true that Lin Mu has even taken the ring of Da Luo Jin Immortal for the last three days, and a storage ring for the Xuan Immortal for the next three days, Lin Mu is really not very interested.

"You don't look at me!" After the Blood Spirit Dragon finished speaking, he also snatched the ring, broke the ring by dividing it by two, and then began to check.

After looking at it halfway, the Blood Spirit Dragon's face also became very exciting.

Lin Mu also felt something when he saw the Blood Spirit Dragon change color, and he also asked, "Did you find anything?"

The Blood Spirit Dragon took out a piece of jade slip and handed it to Lin Mudao, "You'd better take a look at this for yourself, right?"

Lin Mu took the jade slip, and after taking a look, his face also changed, and it also became very exciting.

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Group number: 199488169!