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"What is this black light ball?" Tang Long walked over and looked at the dark light ball in the box and was very curious.

He didn't know what this was.

Moreover, the isolation barrier arranged on this crystal box is very powerful. Even if Tang Long is seriously exploring the aura of the black light, he could not find any breath at all.

The old man seemed to have not heard Tang Long's question and his eyes were not opened.

Even, he didn't move.

Gongsun Moer and Zhongli Xueyan were also a little curious when they looked at the black light ball, because there were obviously countless mysterious runes contained in this light ball. The runes rotated in the light ball and turned into a strange vortex.

Gongsun Mo'er turned to look at Tang Long: "Let's buy it? I always think this thing is a good thing!"

"Really?" Tang Long smiled slightly: "Do you want it?"

"I want it!"

This sound was not what Gongsun Moer said, but was heard in the depths of Tang Long's heart. This was the sound of Xuanyuan Tian Formation.

Tang Long was stunned.

Xuanyuan Tian Formation didn't even see this thing, but he actually wanted it.

However, Tang Long also knew that although the Xuanyuan Tian Formation was in the Tianfeng Banner, he must have come out of the Tianfeng Banner through his spiritual connection and noticed the specialness of this thing.

Even Tang Long couldn't find out this thing, but Xuanyuan Tian Formation could actually do it!

This is also what Tang Long is very curious about.

His mind entered the Fengtian Banner and saw the Xuanyuan Tian Formation standing outside a magnificent building in the Fengtian Banner.

Xuanyuan Tiancheng looked at Tang Long and said, "There is something outside. Is that thing a pitch-black ball of light emitting black light, and contains many mysterious pitch-black runes. It looks magical?!"

"Yes." Tang Long nodded: "What is that thing?"

"It is a very rare treasure. No matter how much it costs, you have to buy it. I want that thing to be of great use!" Xuanyuan Tian Formation said.

Tang Long asked, "What's the use of asking for that thing?"

"Carrange the formation!" After the Xuanyuan Tian Formation finished speaking, he paused and said, "Do you still remember the totem summoning formation?"

"Of course I remember." Tang Long nodded and said, "You told me before that you should carve the totem summoning formation on my sky-sealing flag. Don't forget this!"

"I haven't forgotten this." Xuanyuan Tian Formation said: "But it is very difficult to carve that formation on the Tianfeng Banner. If I rely on my current strength to portray this formation, it will not be successful even if it is for a hundred years!"

"That's not what you said before!" Tang Long frowned: "You said before that you will be able to complete this matter soon."

Xuanyuan Tian Formation said: "Don't worry about what I said before. In short, now, if you can get this dark ball of light, I promise that within three days, you can successfully carve that totem summoning formation on your Tianpan Banner!"

"Three days!" Tang Long's eyes suddenly showed a hint of ecstasy: "When will my sky-sealing flag become a magic weapon?"

"With this totem formation and this dark thing, within three months, your sky-sealing flag, including your blood-drinking knife, can become a magic weapon!"

"Three months!" The surprise in Tang Long's eyes became more and more obvious.

He glared at Xuanyuan Tian Formation: "So, this black light ball is a very rare thing?"

"Not bad!" Xuanyuan Tiange nodded, paused, but said, "But this thing is useless to you at all. Only if I hold it, it will be useful."

Of course, Tang Long didn't believe Xuanyuan Tiancheng's words.

He looked at Xuanyuan Tian Formation: "Tell me what this is first?"

"This thing is called the Heart of Hell. It is only after condensed into the evil energy of the earth veins in an extremely special environment, after the heavenly tribulation, absorb the power of the heavenly tribulation, and then merge the powerful blood demon power to be fertilized."

Speaking of this, Xuanyuan Tian Formation paused and continued: "This thing contains some mysterious laws, but the power of this law is related to the soul of the Bloodthirsty Demon Lord, so you can't use it!"

"What do you want this thing to do?" Tang Long asked.

"My magic weapon, True Spirit Apocalypse, is an extremely mysterious magic weapon. However, although this magic weapon is excellent, it ultimately lacks one very important thing, that is, the heart!"

"The magic weapon still needs a heart!" Tang Long was stunned.

Xuanyuan Tiange glared at Tang Long: "What do you know? My magic weapon is an extremely special existence. If you can obtain the heart of hell, this magic weapon can have its own life and even become a magic weapon puppet with wisdom!"

"A magic weapon puppet with wisdom?!" Tang Long heard the name for the first time: "What is this?"

"That means that this is a magic weapon and a puppet. It has a very powerful self-awareness and can attack independently. It is similar to your purple fire wolf. Of course, it is dozens of times stronger than your purple fire wolf, hundreds of times stronger than your purple fire wolf!"

"It's so powerful!" Tang Long's eyes suddenly shone with light.

Xuanyuan Tiange looked at Tang Long like this and knew that Tang Long wanted this thing, so he glared at him again: "It's useless to hold this thing, and even if it's useless to hold it, most people will."

"Is that true?" Tang Long was a little unbelievable.

At this time, he summoned the Holy Light Demons and others over.

Tang Long felt that the Xuanyuan Tian Formation could detect the situation outside, and of course the Holy Light Demon and others could also investigate.

Tang Long looked at the Holy Light Demon and asked, "Who do you know the Heart of Hell?"

"have no idea."

The King of the Abyss and Su Xiaoman nodded together.

The Holy Light Demon and the Death Demon looked at each other, and the Holy Light Demon said: "I have seen the relevant records of this thing in an ancient tree before. I only know that this is a very difficult thing to exist. The world appeared once millions of years ago, and then disappeared!"

"What's the use of this thing?" Tang Long asked hurriedly. "It's useless." The Holy Light Demon said: "The person who originally got this thing was very curious about this thing. Later, some people tried it. A bold guy swallowed it and turned it into a demon who lost his self. He was killed. The heart of hell flew out. After that, someone studied it.

, without results, and then there was no whereabouts."

"It seems really useless." Tang Long frowned.

He looked at Xuanyuan Tian Formation and said, "I can give you this thing, but you have to promise me that within three months, you must help me temper the Tianqi Banner into a magic weapon!"

Su Xiaoman next to him curled his lips: "If you don't have this heart of hell, your Tianzhang Banner will definitely become a magic weapon in three months. This guy is obviously lying to you!"

Xuanyuan Tianzhen immediately turned around and stared at Su Xiaoman: "Little Meiniu, you want to ruin my good things again!"

Tang Long felt angry when he heard Xuanyuan Tianzhen's words.

He was about to say something, when Xuanyuan Tian Formation was already staring at Su Xiaoman and others and said, "Before the Fengtian Banner becomes a magic weapon, the constellation totem formation must be arranged on it, otherwise the effect of the formation will not be able to be well displayed, but who can do this in three months?!"

When Xuanyuan Tian Formation said this, Su Xiaoman and the others immediately stopped talking.

They are not as good as the Xuanyuan Tian Formation when carving the formation. Moreover, in such a short time, they really can't think of any way to carve the formation on the sealing flag.
Chapter completed!