"Boss, be careful," Little dragon said, lifting his little head.

"Little dragon, go outside and protect the law," Li Lin said softly. Then, with a flash of true qi under his feet, he directly entered the Nine Dragons Chiyan Ding.

The space inside was about four to five meters in size. At the bottom of the cauldron, there were nine dragon heads the size of palms, opening their ferocious mouths, revealing nine holes, from which a scorching breath emanated.

This scorching breath was no ordinary thing; just this breath alone seemed to set the air ablaze. If an ordinary person were to enter, they would likely be burned to ashes in a moment.

"Put all the space bags and storage rings into the hidden storage ring in your hand, and also remove your clothes to avoid them being burned clean," Uncle Jiang's voice came.

With no choice, Li Lin put all his belongings into the hidden storage ring in his hand and then stripped himself bare.

"I'm going to start now. Don't force yourself to death if you can't withstand it. We can find a way for the martial spirit weapon later," Uncle Jiang said.

"Uncle Jiang, start," Li Lin said.

Inside the cave, Uncle Jiang, the old servant, formed hand seals, and a wave of energy surged from his body, then injected into the Nine Dragons Chiyan Ding.

"Hiss!" At that moment, the space in front of Li Lin seemed to change instantly, as if he was no longer inside the Nine Dragons Chiyan Ding. Now, he was surrounded by an unfamiliar space, where the scorching temperature was hundreds of times stronger than before.

"Whoosh whoosh..."

In an instant, a scorching flame appeared out of thin air. Below, the rolling flames were like magma tumbling, and scorching flames erupted from all directions, enveloping him from head to toe. The temperature suddenly soared violently, and the flames turned into strands of energy that directly penetrated Li Lin's skin into his body.

In that sudden moment, Li Lin's body violently trembled. The flames were too strong, as if they were about to melt him in an instant.

"Hiss!"

At that instant, a white energy spread from within Li Lin, seeping out from the pores and adhering to the skin, forming a thin crystal layer that relieved the scorching sensation on Li Lin's skin, protecting it from burns.

In a moment, Li Lin's body was wrapped in a thin white crystal layer.

However, the flame energy had already invaded Li Lin's body, entering directly and gathering again into scorching, terrifying flames at lightning speed.

"Ah."

Li Lin couldn't help but let out a painful cry, his complexion instantly turning pale.

At the same time, the flames were howling and burning inside Li Lin's body, transmitting waves of scorching pain. His internal organs were immediately enveloped by the flames.

"Kid, protect your internals. Whether you can withstand it depends on yourself," Uncle Jiang's voice appeared again in Li Lin's ears.

Li Lin changed his hand seals, and a true qi surged out within his body, instantly wrapping around his internal organs, which were the most important parts of the body and absolutely must not be harmed.

"Whoosh whoosh..." The external space flames turned into tiny energies, like hair, then gathered again into flames inside his body, burning everywhere inside, making hissing sounds as his body was burned.

Although he protected his internal organs, his true qi was being invaded by the flames. Li Lin found that his true qi couldn't compete with the flames and could only keep emitting a continuous flow of true qi from his dantian, wrapping around his internal organs.

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While he protected his internal organs, the flames ravaged other parts, causing unbearable pain. Li Lin trembled all over, forcibly enduring this terrifying pain. The flames filled his body, burning his meridians and muscles, causing intense pain as the scorching flames traveled through his body.

The temperature inside his body surged drastically, to the point where even steel would melt. The agony of withstanding such heat was unimaginable.

Under the terrifying high temperature, sweat poured down Li Lin's face. His meridians, under this high temperature, shriveled up. Originally broad and resilient, they twisted horrifically under the intense heat.

Outside the cave, next to the Nine Dragons Chiyan Ding, Uncle Jiang continuously formed hand seals, each emitting an invisible energy that rippled through space.

Above the Nine Dragons Chiyan Ding, nine dragon-shaped patterns flowed with scorching light, and hot flames emerged from the central secret patterns, illuminating the cave in a fiery glow, with the temperature rising to a terrifying degree.

Inside Li Lin, the terrifying scorching flames penetrated the muscles and wrapped around the bones in an extremely mysterious manner, as if separating the flesh and blood, then wrapping around the entire body's bones and beginning to burn.

This pain of burning bones made Li Lin tremble even more. Biting his teeth tightly, blood flowed from between his teeth.

Although Li Lin had experienced this extreme pain once before, it seemed even stronger this time. The pain originated from within the bone marrow, making Li Lin feel an unbearable agony, as if seeking death was not an option.

The pain of the flames wrapping around the bones was unimaginable. Enduring such inhuman pain, his flesh and blood nearly withered, and Li Lin felt as if he could hardly hold on any longer. His complexion was extremely pale, but he still resisted desperately. With a life-bound martial spirit weapon, his strength would be much greater.

Outside the cave, Uncle Jiang was surprised by everything happening inside the Nine Dragons Chiyan Ding. He was aware of the intense pain and was astonished that Li Lin had persisted. Even more astonishing was his realization of Li Lin's physical strength. His muscles, bones, internal organs, and meridians were incredibly strong, much stronger than those of his peers. Just his physical body alone could almost compare to a set of high-grade yellow-level defensive martial techniques.

With such a strong physical body, Uncle Jiang, with his sharp eye, naturally thought that without having suffered some hardships, one could not have such a strong body.

Time slowly passed, and the pain of burning and refining was not something that could produce essence blood instantly. Moreover, what was needed was not a drop of essence blood, but half a month's worth.

After an unknown amount of time, amidst this torment, essence blood finally began to seep out from outside Li Lin's bones, forming a faint blood membrane over his entire body's bones. At that moment, Li Lin was overjoyed, finally starting to refine essence blood.

The red flames inside his body changed, and the blood membrane wrapped around his bones slowly flowed, moving along the meridians at a slow pace, eventually forming a ball of bright red essence blood.

"Done." Inside the cave, Uncle Jiang's eyes sparkled, and with a hand seal, the ten-thousand-year-old red copper was wrapped in a light and brought into the Nine Dragons Chiyan Ding.

"Kid, drip your essence blood onto the ten-thousand-year-old red copper."

In front of Li Lin, the square piece of ten-thousand-year-old red copper appeared, and with a lift of his hand, the surrounding flames slowly began to rotate. Accompanied by the rotation of the flames, strands of blood-colored light also slowly emerged from within Li Lin, eventually flowing down his fingertip and dropping a drop of essence blood onto the ten-thousand-year-old red copper.

As this drop of essence blood fell onto the ten-thousand-year-old red copper, there was no immediate reaction, but then a surge of Chiyan enveloped it, and the ten-thousand-year-old red copper quickly absorbed the drop of essence blood as if stimulated, instantly.

Instantly, the originally pale yellow ten-thousand-year-old red copper gradually started to show a faint trace of blood color. This drop of essence blood seemed to form a spiderweb, covering the ten-thousand-year-old red copper under the wrap of Chiyan, making it appear extremely mystical.

"Keep going, kid. Persist for half a month, and the ten-thousand-year-old red copper will be refined," Uncle Jiang's voice once again entered Li Lin's ears.

An hour later, another drop of essence blood dripped onto the ten-thousand-year-old red copper. With each drop of Li Lin's essence blood, the red copper became increasingly blood-red, and a strange aura spread from it. At the same time, a terrifying and bizarre power also slowly spread, making everything appear very eerie.

Li Lin remained conscious, but his state had entered one similar to a meditating old monk, enduring the severe pain inside his body as if this body was no longer his own.

Initially, Li Lin could refine a drop of essence blood every hour. As time passed, it took him two hours to refine a drop, then three hours, and later four hours...

In the quiet cave, time swiftly passed, and in a blink of an eye, half a month had gone by. During this half-month, Li Lin's body was continuously under the fever of flames. Accompanying the refinement of essence blood over this half-month, Li Lin had almost become a skin-and-bones figure, terribly pale, and his breathing was slow and weak.

If someone could see Li Lin now, they might think he had already become a dead person.

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