The Mixed Yuan Immortal Herb was one of the most unique plants in the Ice and Fire Yin Yang Well. It didn't enhance physique or talent but provided an immense, instant boost in cultivation. Its potency was second only to the Lovesick Heartbroken Red.
This made it the perfect choice for Lan Xue. Unlike other herbs that improved one's constitution, this herb's effect wasn't restricted by age or cultivation level. Lan Xue, having already consumed the Crystal Blood Dragon Ginseng, possessed the ability to absorb multiple herbs thanks to its secondary ability of neutralizing conflicting energies. With her profound cultivation as a Title Douluo, Nan Feihuang was confident that she could handle the Mixed Yuan Immortal Herb.
Its unparalleled medicinal strength would undoubtedly push her soul power to new heights.
As for the last two herbs...
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Nan Feihuang leapt back to Dugu Bo's side, carrying a stalk of Serpent Heart Grass.
"Old Poison, this is for Yan'er. This herb not only mitigates poison but is also highly effective for those with snake-type martial souls. Its energy rivals that of immortal herbs. With it, plus the Daoist Golden Body Technique, her toxins can be purged entirely. By combining internal cleansing with external cultivation, Yan'er will easily reach the rank of Super Douluo in the future."
Dugu Bo's hands trembled as he accepted the herb, his usually indifferent face softening. "Thank you, Little Flying General. I owe you a debt I can't repay."
Nan Feihuang shook his head with a casual grin. "This place was yours to begin with. Besides, it's Yan'er's destiny to inherit this herb. Consider it a family heirloom."
After handing over the Serpent Heart Grass, Nan Feihuang revealed another treasure—a delicate, translucent petal.
"And this one's for you, Old Poison."
"Me?" Dugu Bo was stunned. With most of his toxins neutralized, he hadn't expected any herbs to be reserved for him. His advanced age and high cultivation would render most herbs ineffective or wasteful.
But Nan Feihuang anticipated this reaction. "Of course. How could I overlook you, the guardian of the Ice and Fire Yin Yang Well? Don't worry; this herb isn't affected by age or cultivation level. This is the Octagonal Ice Crystal Dew. It doesn't enhance strength but instead improves visual acuity and mental fortitude."
He pointed at Dugu Bo's eye. "Your soul bone skill, Medusa's Gaze, relies heavily on both attributes. With this herb, the skill's potency will rival that of a hundred-thousand-year soul skill."
Dugu Bo's eyes widened. "A hundred-thousand-year soul skill… truly?"
"Absolutely. With this enhancement, your gaze alone could level mountains," Nan Feihuang said with a sly smile. "Imagine using it against that old flower Moon Pass. I doubt he'd ever dare underestimate you again."
Dugu Bo burst into laughter. "You have a knack for motivating me, brat!"
He eagerly accepted the herb. A hundred-thousand-year-level Medusa's Gaze could elevate his combat prowess to new heights, especially once his toxins were fully purged. Moon Pass's days of easy victories would be over.
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Before leaving, Nan Feihuang reminded Dugu Bo, "Old Poison, don't consume the Octagonal Ice Crystal Dew just yet. Wait until the detox is fully complete to avoid any conflict between residual toxins and the herb's potent energy."
Dugu Bo nodded. "I understand. No need to worry; patience is one of my virtues."
Nan Feihuang chuckled, knowing Dugu Bo was far from patient in most matters, but the old poison master understood the stakes when it came to his own life.
Even Nan Feihuang wouldn't immediately consume the Cockscomb Phoenix Sunflower. Though the herb would strengthen his fire element, it could clash with the lingering effects of the Ice and Fire Immortal Grass. Such an error could lead to catastrophic consequences, wasting both herbs' benefits or worse—inflicting irreparable damage.
After collecting all the herbs he needed, Nan Feihuang stood at the edge of the Ice and Fire Yin Yang Well, glancing back at the mystical landscape.
He knew this wouldn't be his last visit.
Several valuable treasures remained untouched: the Ink Jade Divine Bamboo, Jade Bone Narcissus, and countless others. Most importantly, the legendary Ice and Fire Dragon King's remains lay beneath the twin springs, guarding the Dragon King Bones. These relics, far surpassing any herb in value, awaited their rightful heir.
However, Nan Feihuang knew he wasn't ready.
The Ice and Fire Dragon King's dormant spirit might still linger, and with his current strength, a mere awakening would spell his doom. Even if he sought assistance, neither Dugu Bo nor Lan Xue could withstand the extreme conditions of the twin springs' depths.
For now, he would focus on growing stronger. Only then could he safely claim the Dragon King's legacy.
"Old Poison," he said, turning to his companion. "I'll be back."
Dugu Bo snorted. "You'd better. Don't let this place grow lonely without you."
With a laugh, Nan Feihuang began his journey home, the treasures of the Ice and Fire Yin Yang Well securely in hand and his heart set on future conquests.