Zhou Muyun's eyes were half-closed, his breathing long and steady. The flow of energy around him gradually calmed, as deep and still as an abyss, as immovable as a mountain.
After adjusting himself, he opened his eyes, tilted back his head, and swallowed the Jade Marrow in one gulp.
The Jade Marrow entered his stomach like a drop of hot oil falling into still water, exploding outward with a roar!
A vast and pure medicinal force instantly surged through his limbs and bones. Like an endless spring drizzle, it seeped into every inch of his bones, tendons, membranes, and flesh.
A faint itching arose deep within his bones, his tendons and membranes began to grow tougher, and the impurities in his flesh were once again stripped away and purified.
This feeling was almost exactly the same as when his Root Bone had improved!
As the sensation gradually faded, a flash of golden light passed through his mind.
[Root Bone: Lower Grade B (1000/12000)]
"As expected..."
A sharp gleam flashed through Zhou Muyun's eyes.
The Three-Century Jade Marrow actually possessed the miraculous effect of improving one's Root Bone! This was something he had never expected.
Yet a single drop of Jade Marrow had only increased his Root Bone progress by a thousand.
As far as he knew, most peerless medicines and pills in this world that cleansed the marrow were one-use items.
In other words, they could only be taken once. Taking them again would be useless.
Not only were they exorbitantly expensive, they were also impossible to obtain even with money. Like this Three-Century Jade Marrow—if Ouyang Changhe had not rewarded it to him, he likely would never have had the chance to come into contact with it!
For others with seventh-grade Root Bones, they would need to gather twelve