The next day.
Gu Han and Bibi Dong met up outside the Spirit Hall and made their way to the hotel where Dugu Bo and his son were currently staying.
They already knew which room the father and son were in, so they bypassed the reception and headed straight there, knocking gently on the door.
Dugu Xin opened the door. When he saw who had come, his face immediately lit up with joy.
"Brother Gu, Your Highness the Holy Maiden, you're finally here!"
"Brother Dugu Xin, is Elder Dugu not around?"
"Who says I'm not?"
Dugu Bo's voice suddenly came from behind, and he appeared at the door with a rare smile. "Young Gu, done with your business?"
"Elder Dugu."
"No need to stand outside. Come in and let's talk."
Dugu Bo had a reclusive nature, and although he made an effort to speak more pleasantly, his tone still carried a hint of coldness.
Naturally, Gu Han and Bibi Dong were well aware of his temperament and didn't mind. Smiling, they both nodded and stepped inside.
This hotel was one of the finest in Spirit City. Each suite was designed with four bedrooms and two living areas, offering over two hundred square meters of space.
Owning such a luxurious hotel in a place where every inch of land was valuable spoke volumes about the power behind it.
Well, to be fair, this hotel was backed by Elder Devil Bear and technically belonged to the Spirit Hall.
"Brother Gu, Your Highness, try this tea. My father won it at the Heaven Dou Auction House—it's a top-grade brew."
Dugu Xin brewed a cup for each of them and brought it over.
"Thank you."
"Much appreciated."
They both smiled and nodded, raising their cups for a light sip.
"Excellent tea."
Gu Han didn't know a thing about tea. Even if it tasted terrible, he'd still say it was good. After putting down the cup, he turned to Dugu Bo and said seriously:
"Elder Dugu, I've come up with a concrete solution to your poison problem."
"Oh? Let's hear it."
Dugu Bo's eyes lit up, and both father and son looked at Gu Han with hopeful excitement.
"Elder, I reviewed the cultivation technique you gave me. It's indeed a high-level method, but it still has some flaws."
"Over the past few days, I've compared it with all the advanced cultivation methods stored in the Spirit Hall. I've refined and optimized your version accordingly."
As he spoke, Gu Han took out a meticulously annotated scroll.
"This revised technique is quite special. It allows excess soul power in the body to condense into a core—a 'dan'—that's stored in the dantian. With it, you can use the poisonous soul power brought on by your martial soul to form a 'poison dan,' which can then gradually be converted into usable soul power."
Dugu Bo took the scroll and opened it. There was a diagram showing the meridian routes of soul power flow, along with detailed annotations on how to transform internal toxins into the poison core.
Gu Han then retrieved another sheet from his soul tool.
"Of course, that's not all. I've studied medicinal herbs under Uncle Chrysanthemum and am quite familiar with pharmacology. Here's a prescription I compiled—it can help you neutralize some of the toxins in the early stages."
"Once you've formed the poison dan, the prescription won't be necessary anymore."
Dugu Bo took the prescription and scanned it carefully. Though his own knowledge of herbs wasn't on par with Yue Guan, he could tell this prescription was far superior to anything he'd concocted himself.
While the ingredients listed were rare and expensive, they were trivial matters for a Soul Douluo.
"Elder Dugu, try circulating this cultivation method first to see if it works."
"Alright."
Dugu Bo nodded. After memorizing the soul power pathways, he slowly closed his eyes, his breathing gradually deepening. His soul power began to circulate along the routes Gu Han had mapped out.
Due to the massive buildup of toxins in his body, the transformation was immediately noticeable. The dense, stubborn poisons began to convert into soul power and flow through his meridians toward his dantian.
Dugu Bo's heart surged with joy. He opened his eyes.
"It really works!"
He looked at Gu Han, astonished. "Young Gu, you're truly a genius. To create such a profound cultivation technique—this is beyond impressive!"
Gu Han smiled and shook his head. "You flatter me, Elder. A promise is a promise. Even if it takes me a lifetime, I'll see it through."
"Now that we've confirmed the method works, perhaps it's time for you to officially join the Spirit Hall, Elder?"
"Of course."
Dugu Bo nodded without hesitation. Gu Han's favor toward the Dugu family was too great. In return, simply joining the Spirit Hall wasn't a big ask—in fact, Dugu Bo felt it was almost too little.
"Brother Gu, your strength is already astounding, but I never expected you to be such a master in theory and research as well. I truly admire you."
At this moment, Dugu Xin was completely convinced, genuinely in awe. Though he'd never fought Gu Han himself, he had witnessed the latter's battle with Tang Hao.
If he were to face either one of them, he knew his fate would be the same as Yu Qingtian—he wouldn't last more than three moves.
And now, Gu Han had used his knowledge to solve the Dugu family's long-standing problem with poison, proving the method worked through actual practice.
No wonder his father always told him: There's always someone better out there.
He used to think that he himself is a prodigy. But standing next to Gu Han, that so-called talent felt utterly insignificant.
Perhaps… this is the difference between a genius and a true genius.
"You flatter me, Brother Xin. I've only done what I can. But congratulations to both of you—finally solving a problem that's haunted your family for generations. That's worth celebrating."
"Haha! You're right—it's a huge relief. Come, drinks are on me today. Let's go out and have a proper feast!"
Now that the poison problem had been resolved, the burden on Dugu Bo's heart was lifted. His usual reclusive demeanor gave way to boisterous laughter.
Bibi Dong's eyes sparkled, a bright smile tugging at her lips. My little junior brother really is incredible.
Though her junior brother wasn't born with the best innate talent, he had used knowledge and intellect to make up for it—and had truly carved out a place among the true elites.
Now, he had even solved a problem that had plagued the Dugu family for generations.
Sometimes, Bibi Dong couldn't help but wonder: What kind of brain does he have? Is there anything he can't do?
Whether in battle, theory, or application—he excelled in every domain, worthy of admiration.
"Junior Brother."
She tugged lightly at Gu Han's sleeve. When he looked over in confusion, she smiled and gave him a thumbs-up.
"Amazing."
Gu Han chuckled and shook his head. "Senior Sister, it's nothing. I merely organized the knowledge of those who came before me. There's nothing remarkable about that."
~~~
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