With this huge rebound force to leave the canyon, the forest tree also fled quickly, the things have already arrived, and there is no point in continuing to stay here.

Lin Mu took the speed rule to the extreme, and the water snake also went crazy, and after jumping out of the magma, it also followed Lin Mu frantically, vowing to devour alive this human who killed thousands of his descendants.

However, the speed rules of the forest are really fast, even if the water snake has tried its best, it is still pulled farther and farther away by the forest.

"Whew!"

The water serpent roared angrily, spewing flames from its mouth, and everything around it followed.

Wherever the flames burned, all turned into a piece of magma, whether it was a boulder or an ancient tree, it was not spared, even some hidden immortal beasts were not spared, all because of the forest, and directly turned into a pile of coke.

This water snake is the king of this peripheral area, and the fairy beasts in this periphery did not dare to provoke the water snake, and now that the water snake is crazy, they are also unlucky.

However, the initiator Lin Mu had already fled, and with the innate advantage of speed rules, Lin Mu finally got rid of the water snake.

Getting rid of the water snake forest tree also breathed a sigh of relief, and then the forest tree still did not stay, flying quickly, to find a hidden place, ready to upgrade the Flowing Frost Sky Fire.

Found a hidden location, Lin Mu also laid out a heavy formation, and then began to officially upgrade the Frost Sky Fire.

He took out the more than 1,000 pieces of white jade he had gotten, and Lin Mu also threw the white jade piece by piece into the Flowing Frost Heavenly Fire.

The Flowing Frost Heavenly Fire did not refuse the white jade that was thrown over, no matter how much it was thrown, it was all accepted.

The energy in the white jade also exploded rapidly under the stimulation of the Heavenly Fire, and these energies became the best nourishment for the Flowing Frost Heavenly Fire to advance.

After continuously investing more than one piece of white jade, the Flowing Frost Heavenly Fire has finally reached the peak of the third level, and it is only one step away from becoming a fourth-level Heavenly Fire.

Seeing that the breakthrough was imminent, Lin Mu did not hesitate, and directly threw more than 50 pieces in it at one time.

However, although these more than fifty pieces of white jade were also cracked, they also released energy, and they were also absorbed by the Flowing Frost Heavenly Fire, but the Flowing Frost Heavenly Fire did not show the slightest sign of advancement.

"Could it be that the amount of white jade is not enough?" Lin Mu said to himself, frowning.

Gritting his teeth, this time Lin Mu threw in more than a hundred pieces at once.

More than a hundred pieces of white jade erupted at the same time, which also instantly made the temperature here reach a peak, and Lin Mu even saw signs of spatial distortion.

The furious energy did not overflow, it was wrapped in the Flowing Frost Heavenly Fire, and then all of it was devoured into his own fire core.

"Whew!"

The fire core devoured such a huge amount of energy, and the flames rose all of a sudden after being extinguished for a moment, and at the same time, the color of the heavenly fire also changed again.

At this time, the heavenly fire looks more mysterious, and the cathode yang and the anode yin are constantly staged near the fire core.

"Level 4 Frost Heavenly Fire!"

Lin Mu was also ecstatic when he saw such a change.

In this secret realm, there are not only heavenly immortals, but also golden immortals and Daluo golden immortals.

In the face of the Golden Immortal Lin Mu, there may still be a fight, but in the face of the Da Luo Jin Xian, the forest tree does not have any chance of winning, but now with this fourth-level Flowing Frost Heavenly Fire, the forest tree can also completely deal with the Da Luo Jin Immortal.

Tianhuo successfully advanced, but Lin Mu did not stop there, but continued to throw the white jade into the flames.

For the white jade thrown, the Flowing Frost Heavenly Fire is still unkind, no matter how much the forest throws it, it will take it all as ordered.

However, Lin Mu found that although the Flowing Frost Heavenly Fire after the promotion also absorbed the energy there, there was no change.

As soon as he gritted his teeth, Lin Mu also threw all the remaining white jade into the Flowing Frost Heavenly Fire.

There were five hundred pieces of white jade left, and Lin Mu threw them all into it at once, as if he had thrown a **bag into a closed stove, ** was furious in an instant.

It's just that the furnace of Flowing Frost Heavenly Fire is very explained, although ** is furious, but the Flowing Frost Heavenly Fire has not changed, and all the energy is also absorbed by the fire core.

After absorbing such a huge amount of energy, the Flowing Frost Heavenly Fire finally changed a little. The color of the heavenly fire has deepened further, and the transformation of yin and yang near the fire core is also proceeding more rapidly.

"Fourth-level peak, it's still one step away from fifth-level Heavenly Fire!" Lin Mu couldn't help but sigh when he saw such a fact.

However, Lin Mu can only accept this fact, and judging from Lin Mu's feedback from the Flowing Frost Heavenly Fire, if he wants the Flowing Frost Heavenly Fire to successfully advance to the fifth level, if it is white jade, I am afraid that it will need at least 100,000 yuan.

And even if there really was so much white jade, Lin Mu was not sure that the Flowing Frost Heavenly Fire would definitely be able to advance, so it seemed that the white jade road could only be taken once.

However, although he did not become a fifth-level, in this secret realm, Lin Mu relied on the fourth-level peak Heavenly Fire, and no one had to be afraid.

Tianhuo was successfully promoted, and Lin Mu also had his biggest support. And the next step for Lin Mu is to collect the medicinal materials for refining the night while looking for creation.

In Lin Mu's opinion, just relying on Tianhuo, if he wants to compete for the holy medicine, he still has some strength, but if you add the middle stage of the immortal body, which is comparable to the strength of the Xuan Immortal's body, then it is really guaranteed.

Lin Mu has Yang Dingtian's map in his hand, but he also has some advantages over others.

Lin Mu took out the map and compared it, and saw that there was a canyon swamp full of immortal medicine in the closest place to him, and Lin Mu also directly turned around and flew over.

The immortal medicines of this Yuantian Secret Realm are all old medicines that have been in the old age. Even the most ordinary first-level immortal medicine was dozens of times stronger than the medicinal properties of the first-level immortal medicine outside.

After Lin Mu adjusted his direction, he also flew towards the canyon swamp where there might be a lot of elixir.

After three days of flying, Lin Mu finally arrived at this canyon swamp.

"Those of you who have been in the last three days are nothing more than having more resources and better exercises than us, if you fight under the same conditions, I will definitely not lose to any of you!" As soon as Lin Mu arrived, he heard the angry roar of the immortals in the next three days.

It was a person who roared, and this person's cultivation was also at the peak of the Heavenly Immortals. However, because of his qualifications, he was also crushed by two immortals who were at the peak of the Heavenly Immortals for three days.

The two monks who had been in the past three days were obviously not prepared to kill this person so easily, they were completely tortured and killed, and then looking for a kind of fun.

"As long as you kneel down and beg for mercy, and take out your own primordial baby and offer it to us, we can spare one of your dogs' lives. "The immortal who watched the battle for three days also said in an extremely perverted manner.

When the heavenly immortals of the next three days heard this, they also shouted unwillingly: "It's a pity that I am not the scavenger of the Heavenly Immortal List, otherwise I would have taken the lives of the two of you!"

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Group number: 199488169!