The walls of the aperture were crystal clear, and on the vast sea of true essence, waves surged violently.
A five-turn gu master possesses purple crystal true essence. The initial stage is light purple true essence, middle stage is bright purple, high stage is dark purple, and peak stage is crystal purple.
Tie Mubai was a peak five-turn gu master. His true essence was crystalline, as if made of melted crystal, profound beauty concealing immense power.
The gap between a peak five-turn and a high four-turn master was enormous. This sea of true essence was a full ninety-eight percent larger than what even a hundred Fang Yuans could match.
Within the purple crystal sea of true essence, gu were flying.
A small golden hand fluttered erratically above the sea, like a beam of golden light. This was Tie Mubai's life Gu, the Gold Touch Gu (five-turn) he had used in the battle against Ku Mo and Wu Gui on Three Fork Mountain!
The Gold Touch Gu had extraordinary might: any living being hit by it would turn into pure gold and lose its life.
Even Ku Mo and Wu Gui dared not face its edge. Even Yi Huo and Kong Ritian, peak four-turn masters, did not dare to keep watching and actively retreated.
This was Tie Mubai's powerful long-range means.
If Fang Yuan also used long-range combat, the beast shadow attached to his strength would, once hit by the golden light, turn into a golden statue and be sacrificed immediately. Fang Yuan could never reclaim it.
Besides the Gold Touch Gu, a golden undercurrent flowed at the bottom of the purple crystal sea.
This current, like molten gold, flowed wantonly along the seabed.
This was the Golden Soup Gu, also five-turn. Once activated, it provided extremely strong defense, freeing the gu master from worries about his rear. Even better, it was liquid and could change shape arbitrarily. Even if scattered, it could gather again like water, making it extremely troublesome.
If Tie Mubai activated the Golden Soup Gu, even if Fang Yuan used all his combat power, he could not break through this defense.
In the purple crystal seawater, there was also an eyeball. Seemingly small and insignificant, but from time to time it emitted dazzling golden light, more brilliant than starlight.
This was the Vajra Glare Gu.
It was also five-turn, but it was not for reconnaissance; it was an attack Gu.
After the gu master activated it, the invisible gaze gained offensive power, like a giant pestle striking the heart. Once eye contact was made, it could directly attack the opponent's heart and soul.
This Gu was hidden by Tie Mubai and was not used even in the battle against Ku Mo and Wu Gui.
Once used, it would result in a direct contest of souls between the two gu masters, with victory and defeat decided instantly; it was a trump card kept for emergencies.
Tie Mubai had used many gu to strengthen his soul foundation. Fang Yuan, on the other hand, walked the strength path, which did not enhance his body or soul.
If Tie Mubai used the Vajra Glare Gu, he only needed to exchange a glance with Fang Yuan to likely scatter his soul.
To use this Vajra Glare Gu, one also needed Golden Eyes.
Ordinary eyes, if used rashly, would blind the user. Only by first using two Golden Eye Gu to transform one's own eyes into Golden Eyes could one safely use the Vajra Glare Gu.
Obviously, since Tie Mubai had hidden the Vajra Glare Gu, his eyes were already Golden Eyes.
Just like Fang Yuan had transformed his skin into bronze skin and his bones into refined iron bones.
Besides these three five-turn Gu, Tie Mubai's body also contained four four-turn Gu: Golden Dragon Gu, Golden Wind Gu, Golden Thread Armor Gu, and Golden Cloud Gu. Each was extraordinary, all fine products of the gold path.
And Fang Yuan extracted all these Gu!
After confirming there were no other Gu on Tie Mubai, Fang Yuan took out the Beast Strength Placenta Gu and activated it, aiming at Tie Mubai's lower abdomen.
Tie Mubai had lost his life, and his aperture was slowly shrinking. With the suction of the Beast Strength Placenta Gu, the aperture was pulled out from Tie Mubai's body, fell into the placenta, and was devoured by the fierce beast in the center of the placenta.
After swallowing the aperture, the originally rough and coarse Beast Strength Placenta Gu suddenly became crystalline and lustrous. Previously, it had been like a clay brick made of yellow mud, with large pores on the surface. Now it also changed, becoming dense and solid, like a brick.
This Beast Strength Placenta Gu was the original owner's clever idea for exactly this use: constantly absorbing gu masters' apertures, slowly accumulating to achieve qualitative change.
Naturally, to refine the Second Aperture Gu, apertures would be the main material.
The Beast Strength Placenta Gu was created to devour others' apertures. Slaughtering all beings to perfect oneself alone—this step had already entered the demonic path. It went without saying that that ancient strength path Gu Immortal was not a good bird.
Others who used this Beast Strength Placenta Gu might have a psychological burden, but Fang Yuan used it with a clear conscience, feeling no unease.
In his previous life, in order to refine the Spring Autumn Cicada, he had slaughtered across ten thousand li, rivers of blood flowed, he stirred up endless bloody storms, killing who knows how many people. Now killing one or two gu masters, what was that?
"Good, good, good! The Beast Strength Placenta Gu, having absorbed Tie Mubai's aperture, has raised the quality of the Second Aperture Gu to forty percent. Not bad, not bad."
"This is using quantity to exchange for qualitative breakthrough. Within it lies the truth that quantitative change leads to qualitative change. To transcend the mundane and achieve immortal Gu, how could there be no price? When I refined the Spring Autumn Cicada in the past and slaughtered tens of millions of people, it was for the same reason."
"The better and more apertures I devour, the higher the quality of the future Second Aperture Gu. Next, I'm going to kill more gu masters, kill many, and use all their apertures to enhance my Beast Strength Placenta Gu! Hahaha, ahahaha..."