“Is… is that really true?”“Yes. I came here because I have something to deliver to the Qingcheng Sect.”“To our Qingcheng Sect, you say?”“Yes.”Yeon Woo Jin extended what he had been carrying toward the Sect Master and his wife.“What is this?”Still visibly shaken, the Sect Master and his wife looked completely dazed.“It’s the Yin-Yang Harmonization Sword and its martial arts manual.”“W-What? This is… truly the Y-Yin-Yang Harmonization Sword… and the manual that accompanies it?”Seeing Yeon Woo Jin nod, the couple stared at the sword and the manual in astonishment.The Yin-Yang Harmonization Sword Art was a sword technique performed by a married couple together.If performed by a pair with poor compatibility, its power would be insignificant—but when executed by a couple who had achieved perfect Yin-Yang harmony, the technique would transform into an overwhelming, peerless martial art capable of shaking heaven and earth.It was thanks to this sword art that the Qingcheng Sect had even managed to claim the lowest seat among the Nine Orthodox Sects.And the sword that enhanced the power of the technique even further—the Yin-Yang Harmonization Sword—a matched pair of swords known individually as the Blue Sword and the Red Sword.These were handed over to Martial Deity Heaven as a gesture of submission, an agreement to not stand against them. And now, they had returned.This confirmed it beyond a doubt.Yeon Woo Jin was truly from Martial Deity Heaven—and truly the grandson of the Supreme Master.The Sect Master and his wife formed martial salutes and bowed deeply to Yeon Woo Jin.“We… we were unaware that such a noble person had arrived. Please forgive our grave disrespect.”“Not at all. I didn’t say anything—how could you have known? It’s perfectly fine.”Yeon Woo Jin was different from the Supreme Master of Martial Deity Heaven.“Thank you for being so understanding.”It felt like today was some kind of special day—one blessing after another.Not only had the headache involving their child been resolved, now even the treasured sword and manual they had once offered up were returned to them.Who would have thought such a joyful day would come?It felt as if only light would shine upon the Qingcheng Sect from now on.At that moment, they saw Hwa Sogwang and Namgoong Hwan standing at Yeon Woo Jin’s side.And a thought crossed their minds.Why were those two following Yeon Woo Jin?Was it simply because he was the grandson of the Supreme Master?No, it couldn’t be.There was no way the Palace Lord of one of the Eight Great Demonic Sects and the master of the Changcheon Merchant Guild would follow someone just for that.If lineage alone was enough, they would’ve submitted directly to the Supreme Master long ago.And did the Namgoong Clan even know that Namgoong Hwan was following Yeon Woo Jin?That question arose too.In any case, they couldn’t let such esteemed guests remain standing here.They could ask their questions later—today, they needed to treat them properly.The Sect Master gave the order.“Open up the Qingcheng Sect’s storerooms wide for our honored guests!”“Yes, sir!” ****After delivering the sword and the manual to the Qingcheng Sect, Yeon Woo Jin’s party was resting inside a room while the Sect prepared a feast.It was then that Yeon Woo Jin noticed Hwa Sogwang.He seemed like he had something to say, but was holding it back.“What is it? Are you upset because I returned the manual to Qingcheng Sect but not to the Blazing Fire Divine Palace?”Hwa Sogwang flailed his hands in surprise, as if Yeon Woo Jin had struck a nerve.“N-No! Not at all!”“Then you don’t need it?”“W-Well, that’s…”As Hwa Sogwang stammered in embarrassment, Yeon Woo Jin walked over to where his belongings were.He pulled out a booklet from his luggage.“Here. Take it.”The booklet Yeon Woo Jin handed over contained the Flamefire Annihilation Divine Art (Yeomhwa Pamyeol Shingong).It was the secret supreme technique of the Blazing Fire Divine Palace.Just as the orthodox martial world had offered up their manuals as a pledge to not oppose Martial Deity Heaven, the demonic sects had done the same.In fact, the demonic factions had submitted their manuals even faster than the orthodox sects.Because the Supreme Master of Martial Deity Heaven was rumored to particularly dislike the demonic sects.The rumor was that the Supreme Master allowed the demonic factions to exist only so he could crush them later for his own amusement.At first, people dismissed it as nonsense.But when the Blood Sect—a monstrously powerful group—appeared, and the Supreme Master destroyed them single-handedly, they realized that the rumor wasn’t just a rumor.After the Blood Sect was wiped out, fear swept through the demonic world.They were certain they were next.At that time, a notice came from Martial Deity Heaven.They demanded a token of peace—evidence that no more conflict would occur.And that token was clear:A promise that Martial Deity Heaven would never touch them—in exchange for their most precious treasure.And what could be more precious to a sect than their martial techniques?But many demonic sects couldn’t bear to give those up.Then, just as if they had been waiting, Martial Deity Heaven attacked.Of the 28 sects that formed the foundation of the demonic martial world, 20 were annihilated in the blink of an eye.Those 20 sects hadn’t had the best reputations.The remaining 8 scrambled to offer their most treasured manuals and weapons to Martial Deity Heaven.As soon as they did, they received the promised token of safety.Only then could they breathe easy.The orthodox sects watched all this unfold.They realized: once the demonic world was pacified, they would be next.Sure enough, a similar notice came down from Martial Deity Heaven.Offer your most important possession.The orthodox world hesitated.But not for long.They had already suffered major losses when the Blood Sect ran rampant—and had made the fatal mistake of trying to handle it themselves instead of reporting it to Martial Deity Heaven.At the time, the orthodox sects were proud, believing they weren’t inferior to Martial Deity Heaven in strength.That pride was shattered.And the notice from Martial Deity Heaven made them kneel.The manuals they submitted then—Yeon Woo Jin was now personally returning them, one by one.Hwa Sogwang received the Flamefire Annihilation Divine Art with trembling hands.His eyes quivered with emotion.To think that Yeon Woo Jin even possessed the Blazing Fire Divine Palace’s secret manual.“My lord…”“I was planning to bring it to the Palace myself. The reason I waited is because I’ll need to teach it and help you learn it quickly. Since this is someone else’s sect, I thought it would be rude to borrow a training hall for that purpose. So I held off.”“W-What do you mean? My lord… you know this technique?”“Yes. Anything I see once, I can memorize and master.”Hwa Sogwang stared at Yeon Woo Jin, dumbfounded.A man who could do that… was standing right in front of him.Somehow, it made sense—because it was Yeon Woo Jin.Still, to say he’d teach the technique?Sure, Yeon Woo Jin might be able to learn it.But Hwa Sogwang learning it was another matter entirely.He was too old.And the Flamefire Annihilation Divine Art could clash with the techniques he’d already mastered.If that happened, the result would be deviation—qiharm.Too much is as bad as too little.Learning everything just because it’s strong only leads to internal damage.Hwa Sogwang knew this better than anyone—so he declined.“I’m far too old to learn this now. I’ll pass it down to my successor.”“No, it’s not too late. I’ll help you.”“Your words alone are more than enough, my lord. But…”“Just trust me. Actually, this works out better. While I’m teaching the Yin-Yang Harmonization Sword to the Sect Masters here, you can train with us. It’ll save time doing it all at once.”Yeon Woo Jin spoke about teaching martial arts like he was giving directions to a store.Hwa Sogwang didn’t know what to believe anymore.But… since Yeon Woo Jin said so, it had to be true.So for now, he nodded.“Y-Yes, understood. I’ll… be in your care.” ****After the feast had ended—The Sect Master and his wife invited Yeon Woo Jin, Hwa Sogwang, and Namgoong Hwan to a private tea ceremony.There, they asked the questions that had been burning in their minds.“You really… serve this man as your lord?”At the Sect Master’s question, Hwa Sogwang snorted.“Of course!”“That was what I wanted to ask…”“It’s just… so hard to believe. And you, Master Namgoong… Aren’t you of the Namgoong Clan? Does your clan know about this?”At the question, Namgoong Hwan nodded.“Yes. Not only do they know, but the Namgoong Clan also serves my lord.”The Sect Master turned to Namgoong Hwan, stunned.“T-That’s true?!”“It is.”He looked at Yeon Woo Jin.No matter how much he looked, the young man calmly sipping tea gave off no aura of a master.As the Sect Master stared, Hwa Sogwang let out a chuckle and said—“What’s wrong? Are you thinking he doesn’t look strong enough to be our lord?”“N-No! I… I apologize.”“I understand. I thought the same at first. But! I can guarantee this much—there is no one in this world who can defeat our lord!”It was an unbelievable claim.“I, Hwa Sogwang, couldn’t even touch the hem of his robe. He crushed me one-sidedly.”Unbelievable.To his knowledge, Hwa Sogwang was a 5-Star Manifestation Realm martial artist.If someone like that couldn’t even touch his opponent…Then just how strong was Yeon Woo Jin?Could it be true?Without realizing it, the Sect Master’s eyes were filled with curiosity as he looked at Yeon Woo Jin.Seeing this, Hwa Sogwang chuckled and lightly tapped his shoulder.“Why are you looking at our lord like that? Are you curious? Should I ask him to spar with you?”“N-No! I was just… curious…”The Sect Master panicked and waved his hands.Then Yeon Woo Jin, who had been quietly listening, put down his teacup.“Are you curious?”“N-No! Not at all!”Yeon Woo Jin turned to the couple and said—“You two have to train with me anyway.”“Excuse me?”What now?Train with him?“What… do you mean?”“You need to learn the Yin-Yang Harmonization Sword Art.”“Y-Yes, of course…”“To learn it quickly, you’ll need to train with me.”“W-What? Q-Quickly?”“Yes.”“The Yin-Yang Harmonization Sword Art isn’t something that can be learned quickly. It requires years of building harmony between husband and wife.”“I know. That’s why we’ll shorten that time with intensive training.”Could it even be shortened like that?Yeon Woo Jin said—“To be honest, the Yin-Yang Harmonization Sword Art has some difficulties when practiced alone.”“Excuse me? Did you just say… you practiced it alone? This sword art?”“Yes.”But the Yin-Yang Harmonization Sword Art… cannot be practiced alone.That’s not an exaggeration—it’s a fact.The essence of the technique lies in the harmony between two people.How could someone train it alone?No matter how they thought about it, it didn’t make sense.“You don’t believe me? Should I show you?”The Qingcheng Sect Master, Hye Gwang, nodded eagerly.Beside him, his wife and fellow Sect Master, Hye Yeon, also nodded.She too was curious.Yeon Woo Jin must have learned the Yang half of the technique, but how exactly had he done it?Hye Gwang handed a sword to Yeon Woo Jin.“Please use this.”Yeon Woo Jin smiled.“Please give me one more.”“Huh? One more sword?”“Yes.”Though puzzled, Hye Gwang handed him another.Yeon Woo Jin placed the second {N•o•v•e•l•i•g•h•t} sword on the ground beside him—and then assumed a stance.The stance he took was unmistakably the Yang-based sword form for the male practitioner.Hye Gwang and Hye Yeon watched with expressions of expectation.But moments later, they were shocked.The sword on the ground… rose into the air.And took a stance—as if held by an invisible person.The form it assumed was unmistakably the Yin-based sword form—the form for the female practitioner.

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