Fang Hong pointed at the iron block and asked, "How much for this iron block?"

The black-clothed man showed a hint of surprise in his eyes when he saw Fang Hong choose this iron block.

He immediately smiled and said, "Senior truly has excellent foresight."

"This iron block is no ordinary item. Junior risked his life to venture deep into the central region of the Ancient Demon Continent and dug it out from deep underground in an ancient ruin."

"Junior has studied it for a long time. Although I haven’t fully understood its origin, I can confirm that it definitely contains some powerful Law and is absolutely a treasure."

"If Senior wants it, you only need to give Junior some Immortal Pills that help resist the Body Destruction Thunder Tribulation. Junior has no other requests."

The black-clothed man was already at Peak Golden Immortal and could attempt to break through to the Grand Unity Golden Immortal realm at any time.

The Body Destruction Thunder Tribulation was a major obstacle to advancing to Grand Unity, extremely perilous.

Therefore, he urgently needed Immortal Pills that could resist the Lightning Tribulation, which was why he brought out this mysterious iron block for trade.

Upon hearing this, Fang Hong said nothing, directly took out a white jade bottle, and handed it to the black-clothed man.

At the same time, he explained, "Inside are ten golden bone pills, which are Grade Six Immortal Pills."

"After consuming them, they can quickly strengthen the physical body’s muscles and bones, having an excellent effect in resisting the Body Destruction Thunder Tribulation. They should be able to help you."

"golden bone pills! They’re actually Grade Six Immortal Pills!" The black-clothed man took the jade bottle, his hands trembling slightly.

He quickly opened the stopper of the jade bottle, and a rich, pure medicinal fragrance instantly wafted out, refreshing the mind.

Inside the jade bottle, ten Immortal Pills shimmered with golden light, round and full. The fluctuations they emitted indeed indicated they were Grade Six Immortal Pills.

The black-clothed man was both surprised and delighted. He had originally thought it would be good to get one or two Grade Four or Grade Five Immortal Pills to resist the Lightning Tribulation.

He didn’t expect Fang Hong to be so generous, directly giving him ten Grade Six golden bone pills. This kindness made him immensely grateful.

He quickly expressed his gratitude to Fang Hong, "Thank you, Senior, for your generosity. Senior is magnificent. This iron block is now yours."

"Besides this, Junior’s stall also has these materials. If Senior fancies any of them, you can take them freely."

Fang Hong waved his hand, not engaging in too many pleasantries. He only took the iron block, then turned and walked away.

The black-clothed man watched Fang Hong’s departing back, quickly put away the jade bottle, his face filled with excitement.

It seemed there was something hidden inside the black iron block. Once the refining was complete, he would know what it truly was.

Fang Hong put away his thoughts and continued to stroll along the bustling trading street.

Approximately half an hour later, Fang Hong’s steps halted again, his gaze falling upon an inconspicuous stall ahead.

The stall owner was a female cultivator wearing a black hood, with a good figure and radiating the aura of a Late Golden Immortal. Compared to many surrounding stall owners, her strength was already considerable.

Her stall also displayed many scattered artifact refining materials, mostly Ores and beast bones.

Among these materials, a section of a tree root caught Fang Hong’s attention.

This section of tree root was only three inches long, dark yellow all over, with obvious burn marks on its surface, appearing unremarkable.

However, when Fang Hong’s Divine Sense swept over it, he keenly noticed that a faint yet exceptionally profound Qi was hidden within the tree root!

This profound Qi was somewhat unusual, different from any immortal herb he had seen before.

Fang Hong couldn’t immediately identify what kind of immortal tree this tree root belonged to.

However, the more mysterious it was, the stronger Fang Hong’s curiosity grew, and he decided to buy it back for careful study.

"Senior, have you taken a fancy to this tree root?" The female cultivator’s voice was clear and pleasant, carrying a hint of cautious probing.

Seeing Fang Hong’s gaze linger on the tree root for a long time, she immediately took the initiative to introduce it:

"Don’t let this tree root’s unremarkable appearance fool you; it is incredibly hard."

"I once tried to hack at it with a Grade Six Immortal Artifact with all my might, but couldn’t leave the slightest mark on it. It is definitely a top-grade Material for refining defensive Immortal Artifacts."

Upon hearing the female cultivator’s words, Fang Hong understood.

It seemed this female cultivator had not detected the profound Qi contained within the tree root.

She simply regarded it as an extremely hard artifact refining Material, which allowed him to pick up a bargain...

"How much?" Fang Hong didn’t waste any more words and directly asked for the price.

The female cultivator chuckled a few times and said, "Senior, you may not know, but this section of tree root was picked up by this Junior from the central region of the Ancient Demon Continent, risking her life."

"The demonic qi there is monstrous, and Demonic Beasts run rampant. I encountered several perilous situations at the time and almost didn’t make it back alive. It was truly hard-won."

"So, Junior dares to ask for one million Immortal Stones."

This price was indeed not cheap for a seemingly ordinary tree root.

However, Fang Hong didn’t hesitate at all. He directly took out a storage bag, which contained exactly one million Immortal Stones, and handed it to the female cultivator.

Afterward, Fang Hong took the yellow tree root and turned to leave.

Watching Fang Hong’s departing back, the female cultivator held the storage bag and couldn’t help but mutter in a low voice, "As expected of a Grand Unity realm Senior, his generosity is immense. This time, I’ve truly struck it rich!"

She had originally been worried that the price was too high and would be rejected, but she didn’t expect Fang Hong to not even bargain, which made her secretly glad of her good luck.

Fang Hong didn’t pay attention to the female cultivator’s thoughts behind him and continued to stroll along the trading street.

As he walked, he kept an eye on the goods at the stalls along the way, hoping to buy some more cherished treasures.

Unfortunately, in the next hour, Fang Hong looked at hundreds of stalls and no longer found anything that interested him like the mysterious tree root.

Seeing no further gains, Fang Hong no longer lingered and directly left the trading street.

Fang Hong arrived at a sizable merchant guild within the city.

This merchant guild had a good reputation locally, specializing in providing Cultivation courtyards with excellent protective measures.

Fang Hong paid some Immortal Stones and rented an independent Cultivation courtyard, planning to study the black iron block and the mysterious tree root he had just acquired there.

Upon entering the courtyard, Fang Hong casually set up several protective restrictions around it, ensuring no one would disturb him.

After doing all this, Fang Hong walked into the secret room within the courtyard. With a thought, he directly flashed into the internal space of the years pearl.

Fang Hong arrived at one of the Medicine Valley specifically for cultivating immortal herbs.

He found an empty space with the most abundant Immortal Qi, planted the newly acquired mysterious tree root in the soil, leaving only a small tip exposed.

Subsequently, Fang Hong took out formation flags, formation disks, and other formation materials, quickly busying himself within the Medicine Valley. Before long, he had set up an exquisite "Rebirth Formation."

This Rebirth Formation was one of the inheritance formations of the Eastern Luo Sect.

It could gather the surrounding Heaven and Earth Immortal Qi, specifically used to cultivate rare immortal herbs that were difficult to survive, greatly increasing their survival rate and growth speed.