Green light appeared on the Tree of Life, and it began to grow taller.
The branches continued to grow longer, and the green leaves grew at a visible speed, suddenly becoming incredibly lush.
The Tree of Life, which was originally only considered a semi-immortal artifact, instantly grew into a high-grade immortal artifact.
"It's a pity that the life essence here is not pure enough. If it were pure enough, it could allow the Tree of Life to grow to a terrifying level."
Han Feng felt a pang of regret about this.
However, the quality of the Tree of Life reaching the level of a high-grade immortal artifact is already quite good.
Next up is the Xuan Tian Zhan Ling Sword. As soon as it was placed into the life essence, it began to self-centeredly absorb the life essence around it.
After the time it takes for an incense stick to burn, the Xuan Tian Zhan Ling Sword reached the rank of a top-grade immortal artifact.
"It seems reasonable that the Tree of Life is ranked first."
Han Feng was amazed by the power of the Tree of Life.
Under the same life essence, the Tree of Life only reached the rank of a high-grade immortal artifact.
"With a high-grade immortal artifact and a top-grade immortal artifact protecting me, I have enough ability to protect myself in the Changqing Imperial Mausoleum."
Han Feng put the two spiritual treasures back into his storage bag and returned to his original place through the passage opened by the Qingqiu Empress.
"How are the two treasures improving?" the Qingqiu Empress asked.
"The Tree of Life has been upgraded to a high-grade immortal artifact, and the Xuan Tian Spirit-Slaying Sword has been upgraded to a top-grade immortal artifact." Han Feng made no attempt to hide anything.
"Yes, it's pretty much what I expected." The Queen of Qingqiu nodded and said, "I have a favor to ask: I wish to borrow your Tree of Life."
"No problem."
Han Feng generously took out the Tree of Life and handed it to the Queen of Qingqiu.
With the strength of the Qingqiu Empress, there's no need for her to be so polite.
Her current politeness proves that the Queen of Qingqiu is a very good person.
The Queen of Qingqiu took the Tree of Life and broke off a branch from it.
She then returned the Tree of Life to Han Feng.
"This branch can help me suppress my injuries and forcefully unleash my Emperor-level strength at crucial moments, making our entry into the Imperial Mausoleum safer," the Qingqiu Empress explained.
"Is one branch enough? Should we break off a few more?"
Han Feng asked with concern.
The main force entering the Changqing Imperial Mausoleum was still the Qingqiu Empress; he and Huo Kexin could only deal with the mausoleum guards.
"That's enough. Any more wouldn't be of any use."
The Queen of Qingqiu shook her head and said, "I have a secret technique here that you can learn. It will greatly increase your combat power and prevent you from being easily killed."
“Originally, you were only at the level of a Great Luo Golden Immortal, so entering the imperial mausoleum would have been too dangerous. But since you are the person most familiar with the Changqing Imperial Mausoleum, you have no choice but to go in.”
"Thank you, Empress."
Han Feng accepted the jade slip and quickly expressed his gratitude.
"Get ready, we'll set off in three months."
"Alright, then I won't disturb the Empress any longer."
Han Feng left the secluded cultivation place of the Qingqiu Empress and now only needs to wait for Huo Kexin's living corpse.
Leng Hanmei sent Han Feng another 3 billion mid-grade immortal jades. The Immortal King of the Tomb Raiders had already sold all the immortal artifacts in the Great Wilderness Treasure Land.
Thirty billion mid-grade immortal jades would have felt like a lot to Han Feng in the past, but now it's only equivalent to thirty life simulations.
After Han Feng decided to break through his cultivation level, he would go to the other treasure troves of the Tomb Raider King.
Only with a sufficient quantity of immortal jade can his cultivation level improve rapidly.
"I should be able to raise my cultivation to the late stage of the Great Luo Golden Immortal realm. Only by combining various methods can I possess the combat power of the late stage of the Immortal King realm."
Han Feng plans to simulate life 29 times, trying his best to raise his cultivation to the late stage of the Great Luo Golden Immortal realm.
Then he would see what kind of changes would occur once he entered the Changqing Emperor's Mausoleum.
There are too many uncertainties in entering the early stages of the Great Luo Golden Immortal realm.
His cultivation had reached the late stage of the Great Luo Golden Immortal realm, making life simulation the most accurate method.
As for why he didn't stay longer, Han Feng was determined to enter the Changqing Imperial Mausoleum.
Unless he gives up everything now, he will either die in the Imperial Mausoleum or at the hands of the Underworld Ancestor.
In fact, it was no use for Han Feng to escape, as he had been tainted by the aura of the immortal artifacts from the imperial tomb.
Once the Evergreen Demon Emperor escapes, it will be very difficult for Han Feng to break free.
In many life simulations, he was killed by the Evergreen Demon Emperor on several occasions.
On one occasion, even after Han Feng escaped to the very edge of the Immortal Kingdom, he was still captured and killed by the Evergreen Demon Emperor.
Han Feng began to refocus his thoughts and engage in life simulation training.
In the sixth life simulation, Han Feng's cultivation level broke through to the mid-stage of the Great Luo Golden Immortal realm.
In the 26th life simulation, Han Feng's cultivation level broke through to the late stage of the Great Luo Golden Immortal.
"The cultivation is going relatively smoothly. I've only used twenty-six life simulations, and there are still four life simulations left."
Han Feng's aura began to rise and stabilized at the late stage of the Great Luo Golden Immortal realm.
With three more life simulations left, he took out the jade slip given to him by the Queen of Qingqiu.
Han Feng then scanned the jade slip with his divine sense. The jade slip contained a combination technique.
Han Feng successfully mastered this Fusion Technique, which allows him to merge with a specific object for a short period of time, provided that the object being merged with must be alive.
After successfully combining, he will gain 50% of the combined power.
The first thing Han Feng thought of was the Tree of Life.
The reason the Queen of Qingqiu passed on this secret technique to him was largely due to the Tree of Life.
This fusion technique is extraordinary; Han Feng mastered it after only three life simulations.
"Now we can take a good look at what will happen in the life simulation?"
Han Feng was highly focused, watching what was happening in the life simulation.
[Consuming one billion mid-grade immortal jades allows for one cultivation simulation.]
Ten days later, you and Huo Kexin arrived at the Qingqiu Empress's place, and the Qingqiu Empress emerged from seclusion on time.
Under your guidance, the three of them entered the imperial mausoleum together.
At the beginning, you encountered the Yin Corpse, but Huo Kexin easily dealt with it, and you successfully entered the Imperial Tomb.
You have arrived at the tomb of the Demon Queen, where there are several corpses of the Demon Queen. The Divine Egg needs to absorb energy to evolve.
You didn't mean to waste them; you put multiple corpses into your storage bag.
Huo Kexin and the Queen of Qingqiu understood what you meant, but their faces were full of disdain.
The two of you entered the core of the imperial mausoleum and arrived first at the weapon hall of the Evergreen Demon Emperor.
The Weapon Hall is now empty; the immortal artifacts inside have long been removed, and the culprit is none other than the Immortal King of Guangling.
Under your guidance, you have arrived at the Medicine Hall.
There was a fire qilin guarding the medicine hall, and the arrival of the three immediately alerted it.
The fire qilin immediately attacked the three of you. The Qingqiu Empress and Huo Kexin joined forces, while you quickly searched for the Qingqiu Empress and gave her the elixir.
Finally, you found the miraculous medicine, and just as you were about to take it, the entire imperial tomb trembled violently.
The Fire Qilin, on the other hand, fought desperately, unleashing power surpassing that of a Quasi-Emperor.
The Queen of Qingqiu and Huo Kexin were unable to withstand the onslaught and were forced to retreat.
Just as the two were about to use their trump cards, the Evergreen Demon Emperor arrived.
The Queen of Qingqiu had no choice but to use her strongest cultivation to escape with you and Huo Kexin.
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