All of a sudden!
A sharp gleam flashed through Cheng Buzheng's eyes, and the once placid lake of his heart was like water struck by a stone, ripples spreading layer upon layer.
He stared at the alchemical pill in his palm, seemingly ordinary yet faintly suffused with circulating Dao charm. His brows drew together as he sank into deep thought.
"This alchemical pill's quality... the spiritual essence contained within it... why is it so similar to the [Lesser Spirit Resonance Pill]?
His fingertips lightly stroked the warm, smooth pill body. Recalling the strange pill fragrance from before—more majestic and incomparably purer than that of the [Lesser Spirit Resonance Pill]—his heart turned solemn.
"No, their medicinal properties are similar!
"But the difference in efficacy is as vast as clouds and mud. It is more than a hundred times stronger than the [Lesser Spirit Resonance Pill]!"
At that thought, Cheng Buzheng's mind raced, and an uncontrollable conjecture surged into his heart.
The contemplative look in his eyes was swiftly replaced by growing shock, and even his breathing unconsciously slowed.
"This pill... could it be that long-lost, authentic ancient Spirit Pill that exists only in the records of ancient texts—the [Spirit Resonance Pill]?!"
Once this thought arose, it grew wildly like weeds.
The more he considered it, the more likely it seemed.
The [Lesser Spirit Resonance Pill] had originally been a simplified version of the authentic [Spirit Resonance Pill], created by later generations of pill masters based on a fragmentary formula.
Their medicinal properties shared the same origin; only their efficacy differed as vastly as heaven and earth.
The faint, ethereal Dao charm contained within the Spirit Pill before him, which aided one's comprehension of laws, was exactly the same as that of the [Lesser Spirit Resonance Pill]—yet countless times more vast and