A mortal cultivating immortality can nurture spirit beasts.

Chapter 144 Mid-stage Core Formation

On Biling Island, Lin He was currently refining pieces of seventh-level demon beast materials by spewing out a stream of alchemical fire. These materials were indeed exceptionally hard, and it would take Lin He quite some time just to refine them.

Nangong Wan reminded him in real time that when Lin He's magic power was too depleted, she took over for him, while he quickly took pills to regulate his breathing and take the opportunity to recover his magic power.

Three months later, the material was refined into a small pile of golden liquid. Lin He carefully separated the golden liquid and used it in sixty-four small boxes.

Lin He breathed a sigh of relief, but did not stop. Instead, he took out the hard-won star stone and began to refine it.

He chose 256 gold needles, which were refined in four batches, with 64 gold needles refined each time.

Another month passed, and a quarter of the Star Stone had been refined, turning into a small pile of shimmering starlight liquid.

Lin He used his divine sense to control the liquid, carefully dividing it into sixty-four portions, which were then placed into the previous sixty-four portions of golden liquid.

Next came the crucial step of shaping the divine sense. Lin He spat out pill fire to smelt the liquid while simultaneously manipulating the golden liquid with his divine sense to shape it. After a long time, it finally transformed into the shape of golden needles.

But the refining process was not yet over. Lin He spat out another mouthful of blood essence into the golden liquid, and time passed in this tedious refining process.

"Phew—it really puts a heavy burden on my spiritual sense. If it weren't for my strong spiritual sense, comparable to a late-stage Core Formation cultivator, and Wan'er taking turns with me, I probably wouldn't have been able to persevere."

It took more than four months to refine just these sixty-four golden needles. Lin He followed the same method and refined them three more times, finally completing the refinement of these two hundred and fifty-six golden needles. By this time, he had spent more than a year.

For more than a year, he and Nangong Wan took turns acting, their minds constantly on edge, their spiritual energy and magical power greatly depleted. When the golden needles were finally completed, the two of them disregarded everything else and lay down to rest for three days and three nights.

"call----"

When Lin He woke up, it was already the morning of the third day.

"My husband, look!"

Nangong Wan picked up a gold needle about the length of a finger. The surface of the gold needle shimmered with starlight, making it look mysterious.

The needle looked very thin and delicate, seemingly very fragile. However, Nangong Wan used various spells in succession but could not harm it. In the end, she even used a magic weapon, but the golden needle still managed to withstand it.

Lin He was not surprised by this; these golden needles were made of materials from level seven demonic beasts, so they were not that fragile.

With a wave of his hand, Lin He absorbed all 256 golden needles into his body.

Having refined his natal magic weapon, the Golden Spirit Heavenly Star Needle, Lin He had finally resolved a major matter on his mind. After saying goodbye to Nangong Wan, he went to his cave to cultivate in seclusion.

Time flies, and sixteen years have passed in the blink of an eye. On this day, the gate of Linhe Cave opened, and a glint flashed in his eyes, showing that his cultivation had greatly improved.

Nangong Wan happened to step out of the room and saw Lin He. She subconsciously scanned him with her divine sense and then said with some surprise, "Peak of the early stage of Core Formation?"

Lin He nodded and asked, "What happened during my years of seclusion?"

"In a few more years, Ruyin and Qiaoqian will be able to master the third level of the Great Evolution Technique, and at that time they will both attempt to form their cores."

"Oh?" Lin He was somewhat surprised, not expecting them to reach the Core Formation stage so quickly.

"Thanks to the various Foundation Establishment pills given by my husband, their cultivation speed is truly astonishing."

Nangong Wan was also somewhat surprised, but considering the current cultivation conditions, and the fact that she could use high-grade spirit stones to assist her cultivation, it didn't seem strange that her cultivation speed was a little faster.

Lin He noticed the array formations on Biling Island. In addition to the original concealment array, the other Foundation Establishment arrays had all been replaced with three Core Formation stage defensive arrays.

Seeing that everyone's cultivation level had greatly improved and that the defenses of Biling Island were getting stronger, Lin He was naturally happy. Nangong Wan saw that Lin He had come out of seclusion and went into seclusion again.

"Wan'er is also a hermit!"

Lin He shook his head and walked towards Xin Ruyin's residence. "Young Master!"

Seeing Lin He enter, Xin Ruyin put down what she was doing with a smile and quickly walked over, saying expectantly, "Now that you've emerged from seclusion, Young Master must have gone into seclusion."

Seeing the burning intensity and expectation in her eyes, Lin He quickly said, "Ahem, Ruyin, let's talk about business first."

With a wave of his hand, twelve Heavenly Capital Demon Corpses instantly appeared. These demon corpses had a fierce appearance, with extremely long, emerald-green fingernails, making them look terrifying.

Xin Ruyin was also startled. Lin He said, "This thing is called the Heavenly Capital Demon Corpse. It is made using a divine power called Heavenly Capital Corpse Fire. Each one has the cultivation level of the mid-stage Core Formation stage, and is even stronger than an ordinary mid-stage Core Formation cultivator."

Xin Ruyin was greatly surprised, and then asked, "These refined corpses are all controlled by divine sense. Since you snatched them, young master, you can naturally control them with your divine sense after a little re-refinement. Is there any problem with that?"

Lin He shook his head and said, "That's not what I'm asking about. This is a jade slip that records the Corpse Fiend Array. Take a look."

Lin He took out the jade slip containing the method for refining the corpse pills and the Corpse Fiend Array and gave it to Xin Ruyin. After taking a look, the latter understood Lin He's meaning. "I understand! Young Master also wants to develop an array similar to the Corpse Fiend Array to combine these twelve refined corpses into one, right?"

"It's not twelve, it's eighteen. I haven't been able to snatch the other six yet."

Xin Ruyin was very worried. The person who could refine these eighteen Heavenly Capital Corpses was definitely not an ordinary cultivator. However, Lin He seemed not to be worried. She could only say, "Twelve is indeed a bit insufficient. However, if it were eighteen, there would still be hope if we spent some time studying it. It's just that my cultivation level is not high enough. I need to be at least at the early stage of Core Formation."

"There's no rush," Lin He patted her shoulder and said, "Just focus on forming your core. We can study it later."

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Xin Ruyin nodded naturally. She glanced at Lin He with her divine sense, and then thought of something. "Since your cultivation has reached the peak of the early stage of Core Formation, young master, you should hurry up and go find Ruyan. She has been waiting for this day for a long time."

Lin He put his arm around her slender waist and said, "You're the most considerate person."

The next day, Lin He and Yan Ruyan stood side by side. Lin He made no attempt to conceal his mid-stage Core Formation cultivation, while Yan Ruyan, blushing, buried her head in Lin He's arms, looking reluctant to part. "Senior brother, are you leaving so soon after you've finished your seclusion?"

Lin He nodded. The Void Heaven Palace will open in a few decades, and he is very busy now, so he can't afford to slack off in the slightest.

"I understand," Yan Ruyan said without pressing further. "Although I really want you to stay, I don't want to hold you back. Just go out and look for opportunities. I'll take care of things on Biling Island. By the way, Ruyin, Qiaoqian, and Xiaomei, after they all reach the Core Formation stage, they all need to refine their natal magic weapons. Why don't you prepare them for them before you go out? I've already prepared the materials list."

Lin He took the list of materials, nodded, and said, "Okay, I'll remember this. I'm off!"

As he spoke, Lin He had already turned into a streak of blue light and disappeared.