# Chapter 1912: The Three-Year Agreement
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In the Immortal Kingdom, within Lin Feng's martial soul world, there was a mountain range where a spring of demonic pool water lay, deep and dark, exuding a terrifying aura of the demonic path. This demonic pool was the one Lin Feng had plundered from the Ancient Demon Clan.
Now that he was cultivating the Ancient Demon Clan's secret technique, the Ten Thousand Calamities Indestructible Heavenly Demon Art, to strengthen his physical body, he naturally needed the demonic pool as an aid. Therefore, Lin Feng unceremoniously plundered the Ancient Demon Clan once more. Moreover, this demonic pool also helped him cultivate his demonic techniques, so now, during his daily training, he stayed within this demonic pool.
At this moment, within the demonic pool, Lin Feng's eyes suddenly snapped open. A pitch-black demonic light flashed and vanished, and then he stepped out, disappearing from the spot in an instant. Moments later, Lin Feng appeared in that isolated space. There, the Sword Blind was sitting cross-legged, quietly cultivating. Since he was trapped inside by Lin Feng and couldn't break out of this world, he had no choice but to cultivate within. If he was lucky and his attacks grew a bit stronger, he might have a chance to break through this space.
As if sensing something, the Sword Blind raised his head slightly. His hollow eyes, though devoid of any light, still faced Lin Feng directly, as if he could see him.
"If I'm not mistaken, this should be a world, right? How did you manage this?" The Sword Blind's voice emerged from his mouth. This space was clearly a world—only a world could contain living people.
Lin Feng did not answer the Sword Blind's question. His eyes merely stared at the Sword Blind. The space fell into silence, and then the Sword Blind spoke again: "Haven't you figured out how to deal with me yet?"
At that moment, a powerful force of divine soul energy radiated outward. Suddenly, within Lin Feng's mind, a demonic phantom appeared. This demonic phantom seemed to transform from an ancient demon, suspended in the void.
Among the Ancient Demon Clan, there was a method for refining demon puppets. It involved using demonic soul fire to burn another's soul, then using special demonic techniques to pierce through the opponent's body, and finally imprinting eighty-one ancient demon seals. After eighty-one days, a demon puppet could be refined. It was extremely complex, so the Ancient Demon Clan would not waste effort refining demon puppets from those with weak talent.
Although Lin Feng could not use this method of refining demon puppets, he had cultivated a technique to monitor others' movements: the Seed Demon Soul. By planting a demon soul in another's soul, he could observe their every move. However, this technique was not as effective as the Ancient Demon Seal, so the experts of the Ancient Demon Clan disdained to use it. But Lin Feng could use it on the Sword Blind now.
"Sword Blind, I am currently in the Immortal Kingdom Trial Ground. I will release you, but I will plant a demon soul in your soul, so I can always monitor your movements." Lin Feng's voice was as cold as ice.
"What do you want me to do?" the Sword Blind asked. He did not refuse. In this situation, even if Lin Feng wanted to plant something destructive in his mind, he had no right to refuse. His life was in Lin Feng's hands, so he only asked about Lin Feng's purpose.
"Fight with me to the other side of the Heavenly River Battlefield and walk out through the exit there," Lin Feng said slowly. This made even the Sword Blind's blind eyes contract slightly. He could understand fighting to the other side of the Heavenly River Battlefield, but why walk out through another interface?
Light flickered, and that demon soul rushed into the Sword Blind's mind. The Sword Blind did not resist. Soon, his mind was implanted with Lin Feng's demon soul.
"Let's go out," Lin Feng said indifferently. Moments later, above the mountain range, two figures appeared. They were Lin Feng and the Sword Blind. After coming out, they directly stepped forward, turning into two streaks of light.
The Immortal Kingdom battlefield remained chaotic, with constant conflicts. At this moment, Qin Yao and her group were very unlucky, having encountered a group of extremely formidable people—a well-organized legion. Around Qin Yao, terrifying flames burned wildly, as if they would incinerate the entire void. These were flames from hell, enveloping her completely.
"Little girl, you still have such tricks up your sleeve," one of them said, a lecherous smile flashing in his eyes. Then he formed hand seals, and streams of terrifying black energy spread out, winding toward Qin Yao and the experts protecting her. This black energy turned into countless currents, seemingly able to burrow into a person's body.
"Burn!" Clusters of pitch-black flames rushed toward them. It was Qin Yao releasing her hellfire. But then, rumbling sounds roared, and massive ancient mountains descended from the surrounding void, crashing down wildly to seal off this space.
"Princess Qin Yao, retreat!" One of the Black Rope Legion experts had a stiff expression. These people all had marks on their foreheads, indicating they were from the other side of the Heavenly River Battlefield. Their techniques were strange and terrifying, with many methods.
Qin Yao nodded and rushed outward. But the ancient mountains in the sky kept crashing down, throwing the entire world into chaos and isolating everyone. The hellfire surrounding Qin Yao incinerated everything, its killing power absolutely terrifying. This was the protection left by the Black Rope Commander.
"Soul Capture!" An icy voice came. Qin Yao's beautiful eyes looked toward a certain spot. Suddenly, she felt the world darken, her soul wavered, and even the hellfire on her body seemed to slowly extinguish.
"Qin Yao!" A sharp shout rang in Qin Yao's mind, making her tremble violently. Others wanted to rescue her, but the ancient mountains kept crashing down. The opponents were all elite figures—those who could fight this deep and form a legion were naturally powerful. It could only be said that Qin Yao and her group were truly unlucky to have encountered them.
"Here!" A voice full of allure directly vibrated in Qin Yao's mind. She turned her gaze and saw a pair of seductive eyes, as if they wanted to swallow her entire soul.
At this moment, in the void, two figures swept past. But in an instant, the wind roared, and the two figures turned back, looking down. It was Qin Yao.
"Whoosh!" Lin Feng's body suddenly shot out. The person who was stepping toward Qin Yao felt his pupils contract sharply. His eyes suddenly looked up into the void. Those seductive pupils seemed to want to pierce through Lin Feng's eyes. But the next moment, he saw an even more terrifying pair of eyes—the Eye of Death. From those eyes, streams of deathly energy shot out, instantly covering his entire body with a layer of death aura.
Lin Feng's palm trembled in the void, and beams of death tribulation swords pierced through the void, instantly stabbing through that person's head. The attack speed was as fast as lightning.
The moment Lin Feng made his move, the Sword Blind also acted. His light sword was traceless, moving at the ultimate speed of light. If those people hadn't seen it with their own eyes, they wouldn't have believed that a Martial Emperor could unleash such a fast sword. One sword split their attacks, cut through their divine abilities, and blinded their eyes. That was the speed of light.
Qin Yao was stunned by this sudden change. Then she looked toward Lin Feng, her beautiful eyes dazed. It was Lin Feng and the Sword Blind. Both of them were so powerful. Recalling the scene of Lin Feng and the Sword Blind on the battle platform outside the City Lord's Mansion, she had even challenged Lin Feng back then. But now, she didn't know how far behind she had fallen. Probably, Lin Feng could easily annihilate her now. Even those experts she considered powerful were being mercilessly slaughtered by Lin Feng.
The battle ended not long after it began. Lin Feng descended above Qin Yao and looked at her.
"Why did you save me?" Qin Yao asked Lin Feng. She seemed to have always been targeting him.
"Tell Wang Xiao for me that I will remember him," Lin Feng said. Then he and the Sword Blind swept away, leaving Qin Yao with a deep sense of defeat. Perhaps Lin Feng had never cared about her, a princess of the Hell Commander.
Lin Feng and the Sword Blind rushed all the way toward the Heavenly River Battlefield. No one could stop their advance. Along the way, their hands were stained with much blood. Many who tried to intercept and kill them died at their hands.
On the Heavenly River Battlefield, the Heavenly River in the void remained as mysterious and unfathomable as ever. The Yellow Springs below still no one dared to enter—enter and you would surely die. Only the fallen bones of the dead would sink into the Yellow Springs. Even when Lin Feng and the Sword Blind reached the Heavenly River Battlefield, they did not slow their pace. They charged fiercely toward the other end of the Heavenly River Battlefield. They had not yet crossed the middle boundary of the Heavenly River Battlefield, so Lin Feng did not need to be cautious yet.
"The three-year agreement is approaching," Lin Feng said as he charged across the Heavenly River Battlefield. Because he had been intercepted by Wang Xiao, he had ultimately missed the three-year agreement battle. He didn't know if Second Senior Brother and the others could handle it.
At the same time, in the Qingxiao Land of the Xiao Continent, Lin Feng's clone was rushing toward the War King Academy, naturally to fulfill the three-year agreement with the Yue Sect.