The world's top martial artist: I can optimize everything!

"Put away this Tianxin Flame first, and refine it when we get back."

There is no place suitable for Lin Feng to refine Tianxin Flame, so Lin Feng can only put it away first.

After exchanging Tianxin Flame, Lin Feng still has more than 4 million points.

These more than 4 million points are enough for Lin Feng to exchange for some other treasures.

"Is this... Black Water Iron Stone?" Lin Feng stopped in front of a display window.

There is a black iron block the size of a fingernail in this display window.

There is a detailed introduction next to the iron block.

Black Water Iron Stone: artificial synthetic stone.

This stone can be dissolved in any protective gear.

As long as the stone is integrated into the corresponding protective gear, the defensive power of the protective gear can be greatly enhanced.

Price: 4.8 million points.

Lin Feng: "..."

Lin Feng was stunned when he saw the price at the end.

A black water iron stone the size of a fingernail actually costs 4.8 million points.

This is too expensive!

Swipe!

Before Lin Feng could think about it, the solid black iron stone suddenly turned into liquid and began to wriggle.

The black iron stone even turned into a small human hand, touching the window, as if it wanted to get out.

"Can this black iron stone switch between solid and liquid at will?"

"This is really an interesting artificial synthetic stone."

Lin Feng looked at the black iron stone in the window and said to himself: "Now I just have more than 4 million points, and my blue-patterned black gold armor really needs to be strengthened. It's just right to exchange a piece of black iron stone."

Thinking of this, Lin Feng put the watch on his wrist next to the window.

"Ding~Deduction in progress..."

"Deduction successful, the window will open soon..."

"Reminder: After getting the Black Water Iron Stone, please complete the blood recognition as soon as possible. After the blood recognition, you can unlock more functions of the Black Water Iron Stone."

Lin Feng: "..."

Before Lin Feng thought about it, the tightly closed window had been opened, and the Black Water Iron Stone inside crawled out of the window and jumped onto the back of Lin Feng's hand.

Lin Feng reached out and touched the small piece of Black Water Iron Stone, and the surface of the Black Water Iron Stone rippled like water waves.

"This little thing is really strange."

Lin Feng's mind moved, condensed a wisp of sharp spiritual energy, cut a small incision on his thumb, and dripped blood on the Black Water Iron Stone.

Tick!

The blood was quickly absorbed by the Black Water Iron Stone, and a special connection was established between Lin Feng and the Black Water Iron Stone.

Now, as long as Lin Feng's mind moves, the black water iron stone can cover the surface of Lin Feng and help Lin Feng block the attack.

However, if this is done, the damage that the black water iron stone can block is very limited.

Only by integrating the black water iron stone into the protective gear can the black water iron stone's maximum defensive power be exerted.

Swish!

As Lin Feng's mind moved, the black water iron wire crawled to Lin Feng's index finger and merged into the black ring that Lin Feng wore on his index finger.

The black ring was exactly the blue-veined black gold armor.

Chi Chi!

The black ring gradually turned into thin pieces of black gold soft iron, completely wrapping Lin Feng's body.

Lin Feng clenched his fist hard, bursting out a powerful aura, and rushed towards the blue-veined black gold armor.

However, the blue-veined black gold armor after integrating the black water iron stone was not damaged at all.

"After integrating the black water iron stone, the blue-veined black gold armor should be able to block the attacks of the warriors in the war master realm."

I don't know how much the defense of the blue-veined black gold armor can be enhanced after optimizing this black water iron stone.

"Ding~ May I ask if the host optimizes the black water iron stone? This optimization will consume 100,000 optimization points."

Lin Feng: "..."

Lin Feng was dumbfounded.

He didn't expect that optimizing the black water iron stone would require so many optimization points.

Luckily, he had accumulated more than 200,000 optimization points by climbing the bluestone steps and beheading Andrew, Qiao Sen and others.

Otherwise, he really doesn't have extra optimization points to optimize the black water iron stone now.

After coming back to his senses, Lin Feng silently shouted in his heart: "Optimization!"

"Ding~Optimization is successful, the black water iron stone is optimized to the dark abyss iron stone."

As the system's voice sounded, the black water iron stone the size of a fingernail in Lin Feng's palm was wrapped in a faint light.

The light slowly merged into the Black Water Iron Stone, and the Black Water Iron Stone became darker and darker, with a hint of strange aura in it.

This aura seemed to be able to engulf everything.

"The defense of the Black Abyss Iron Stone is not only several times stronger than that of the Black Water Iron Stone, but this Black Abyss Iron Stone can also absorb some energy."

"The optimized Black Abyss Iron Stone is integrated into the blue-patterned black gold armor, and it may be able to block the attack of the human saint realm warrior."

Lin Feng muttered to himself, and a smile appeared on the corner of his mouth.

With this Black Abyss Iron Stone, he has another way to save his life.Boom!

At this time, a deafening explosion suddenly rang out.

The entire treasure building was shaking violently.

Through the window, Lin Feng could see Xu Zhiyun and Ai Wen still fighting.

"Lin Feng, have you exchanged the treasures?"

Jiang Yang, Zhang Meimei, and Zhao Ming came up.

Lin Feng nodded, "I have exchanged them."

"Since you have exchanged them, let's leave here as soon as possible." Jiang Yang glanced at the movement outside the window and said, "Assistant Zeng already knows the situation here. He just sent us a message and asked us to evacuate Tianhai Secret Realm quickly."

"Assistant Zeng will meet us outside Tianhai Secret Realm."

"Is Dean Xu okay?" Lin Feng said worriedly.

"President Xu is the president of the Tianlong Academy's Battle Academy. What could possibly happen to him?" Jiang Yang smiled and said, "Even if President Xu has something wrong, we can't help him."

"So let's leave here first."

Lin Feng: "..."

Lin Feng nodded and followed Jiang Yang, Zhang Meimei and Zhao Ming out of the treasure building.

"Lin Feng, where are you going!" Ivan shouted angrily and turned to kill Lin Feng.

Boom!

Xu Zhiyun blocked Ivan's way and knocked him back with a punch.

"Ivan, your opponent is me." Xu Zhiyun smiled.

"Xu Zhiyun, even if you stop me, you can't stop Hansen, the patriarch of the Charles family!" Ivan snorted and continued to fight with Xu Zhiyun.

As for Lin Feng, Zhao Ming, Jiang Yang and Zhang Meimei, they flew towards the Tianhai Secret Realm.

The four of them moved forward and soon arrived outside the Secret Realm.

At this moment, the secret realm is about to close, and almost all the people from all the major forces have come out of the secret realm.

"It's Lin Feng! He obtained the inheritance of the Qingyu God of War and killed Andrew and Qiao Sen!"

"Lin Feng actually came out! This is the ruthless man who obtained the inheritance of the Qingyu God of War and killed Andrew and Qiao Sen."

"I didn't expect that the inheritance of the Qingyu God of War would be in the Tianhai Secret Realm, and in the end, the inheritance was obtained by Lin Feng. It's really enviable."

There was a lot of noise all around.

Everyone's eyes were all focused on Lin Feng.

Many of them had a hint of greed in their eyes.