"Hey, you brat! I'm talking to you, and you're daydreaming!" After reminding Qin An, the Heavenly Demon found Qin An lost in thought, which puzzled him.

"Oh, I'm sorry, Senior Tianmo." At this moment, Qin An finally snapped out of his thoughts and apologized to Tianmo somewhat embarrassedly.

"Forget it, forget it. This Heavenly Demon Lord is magnanimous and won't bother with you, you little thing!" The Heavenly Demon waved his hand, indicating that he didn't care.

"Little one, since you've kept me company chatting for so long, I can't go back on my word. Perfect, I happen to have a demonic inheritance here, would you like it?"

"The inheritance of the Demon Clan?" Qin An's eyes flickered. After pondering for a moment, he asked, "Can this inheritance be cultivated to the Nascent Soul stage?"

"Are you looking down on me, Heavenly Demon? What I've cultivated is far more than just reaching the Nascent Soul stage. With it, ascending to the Upper Realm won't be a problem!" the Heavenly Demon said through gritted teeth.

"Oh, I see." Qin An had thought about something more. "But you're just giving me your inheritance like this? It can't be that simple, can it? You must have some requirements!"

"Smart! It seems I didn't misjudge you! You're incredibly shrewd!" After a moment of admiration, the Heavenly Demon continued, "That's right, I did have one condition for giving you the cultivation technique I've been practicing!"

"However, this request might not be so difficult for you," the Heavenly Demon said, keeping the matter a secret.

"Senior, please just tell me what you need!"

“Alright, then I will speak. I hope my successor can unify the Demon Realm and become the true Lord of the Demon Realm.”

"Why do you want to become the true Lord of the Demon Realm?" Qin An blinked his eyes and asked curiously.

"Because this is my lifelong wish! Since I haven't fulfilled this wish, then my successor must fulfill it!" The Heavenly Demon's voice trembled with emotion. "If you can meet my requirement, I will pass on my cultivation technique to you!"

Qin An fell into deep thought. To be honest, he didn't want to unify the Demon Realm. He just wanted to see his master brother, stay by his side, and protect him so that he could live a peaceful life.

However, without the cultivation techniques bestowed upon him by the Heavenly Demon, he would not have reached the Nascent Soul stage, and thus would never have seen his master and elder brother. Therefore, this was his only chance.

"Okay, I promise you!" In the end, Qin An made up his mind.

"Alright, then you must make a vow to your inner demons. If you break your vow, you will never be able to ascend! Of course, if you succeed, the vow will automatically be broken the moment you unify the demon realm."

Therefore, Qin An made a vow to the Heavenly Demon in front of him.

The Heavenly Demon kept his promise and passed on the "Qian Yuan Demon Art" that he had been practicing to him.

"Now, I will use my own demonic energy to cleanse your meridians and lay a foundation."

"Alright, senior, please do it!" Qin An sat down cross-legged, waiting for the Heavenly Demon's move.

"Huh?" The Heavenly Demon suddenly exclaimed in surprise, "Your meridians have actually been cleansed by demonic energy! Moreover, the quality of this demonic energy is much higher than mine! Were you helped by some powerful demon in the past?"

"A powerful demon? No, there isn't one!" Qin An was completely baffled. Could it be his master brother? This thought flashed through Qin An's mind, but he couldn't figure out what his master brother had to do with demonic energy.

As for why he didn't suspect others, it's because he had always been with his master, and no one else had ever come into contact with him. The only person he had ever been in contact with was his master.

Fortunately, the Heavenly Demon didn't pursue the matter too much. "Since a master has already cleansed your meridians and you've laid a very good foundation, now it's time to practice the Qian Yuan Demon Art!"

Qin An nodded in agreement, and then prepared to practice the "Qian Yuan Demon Art".

"Oh, right!" At this moment, the Heavenly Demon suddenly reminded him, "I noticed that you seemed to have been practicing immortal cultivation techniques before, so let me remind you, if you practice the 'Qian Yuan Demon Art,' your immortal cultivation techniques will be ruined, and all your spiritual power will disappear. You'd better think it over!"

Qin An was immediately torn between his thoughts and his inner voice. One voice said: You cannot practice demonic arts. If you do, you will become a demonic cultivator and will be rejected by the immortal sects!

But another voice said: If you don't cultivate demonic arts, how will you see your master brother? Your master brother might still be anxiously waiting for you to come back!

Thinking of his master, Qin An recalled the day he awakened his demonic bloodline. On that day, his master did not reject his demonic bloodline. So, could he hope that his master would also not reject him for being a demonic cultivator?

With that in mind, Qin An decided to take a gamble.

So he closed his eyes and began to circulate the "Qian Yuan Demon Art".

Something unexpected happened.

Qin An not only had his spiritual power not abolished, but also successfully entered the "Qian Yuan Demon Art".

Qin An quickly examined himself and saw that when he activated the "Qian Yuan Demon Art", the "Spirit Guiding Technique" also activated at the same time.

Within his dantian, spiritual energy and demonic energy coexisted peacefully, clearly distinct, forming a shape resembling a yin-yang symbol.

Qin An then realized that it was the special nature of the "Spirit Guiding Technique" that allowed him to cultivate both immortality and demonic arts.

Only then did Qin An realize how precious the cultivation technique his master had given him was, that it could actually contend with the domineering demonic technique, "Qian Yuan Demonic Art".

According to the Heavenly Demon, the "Qian Yuan Demonic Art" is already the highest-level demonic cultivation technique on this continent. Therefore, the "Spirit Guiding Technique" given to him by his master brother must be even more precious.

After all, there has never been any record of a cultivation technique that could rival the "Qian Yuan Demon Art".

Upon learning this, Qin An's heart overflowed with sweetness. So, his master brother cared for him and trusted him so much! When he first became his disciple, he had already entrusted him with such a precious cultivation technique! How could he possibly repay his master brother for his kindness?

Knowing that his spiritual power would not be destroyed, Qin An seized the time to cultivate the "Qian Yuan Demon Art".

After Qin An finished his meditation again, the Heavenly Demon suddenly spoke: "Boy, it's been very easy for me to be with you. It's time for me to leave. After all, once I give away my inheritance, this wisp of my remnant soul won't be able to stay for much longer."

"Here's what we'll do. Before I leave, I'll leave you all my pure demonic energy as nourishment for your cultivation. Also, deep within this cave, there's a rare treasure that can greatly enhance your strength and even allow you to glimpse a sliver of heavenly secrets. Remember to take it with you then."

Before Qin An could react, the Heavenly Demon had already transformed into countless demonic energies, and his remnant soul completely dissipated.