National Survival: I Supported the Dragon Nation by Hunting Dinosaurs

The temperature inside the crack exceeded 800 degrees Celsius.

The fissure extends downwards for about forty meters before making a sharp turn, becoming a nearly horizontal natural lava tube...

The pipe is a little over three meters in diameter, with a smooth inner wall like glass, which is a trace left by the cooling of ancient magma.

The air temperature exceeded 950 degrees Celsius.

The clothes are gone.

Zhang Li had deliberately removed and stored the items he had taken off within the first twenty meters after entering the crevice...

The fabric would spontaneously combust at this temperature, and would be more of a burden to the skin...

The cells in the surface layer of the skin are constantly being replaced and cyclical.

Half an hour ago, this kind of consumption would have depleted his energy reserves.

But now, the energy provided by thermal conversion far exceeds the energy consumed in repair...

He even felt that the deeper he went, the better he felt.

"This grilling is so satisfying..."

Zhang Li felt as if he were in a sauna...

Fortunately, this scene was not broadcast live. If viewers had seen him navigating the near-thousand-degree environment with ease, they would probably have thought he was a monster!

The view suddenly opened up at the end of the pipe.

Zhang Li stood on the edge of a naturally formed volcanic cavity, with a three-meter-wide rock platform beneath his feet. Outside the platform was a deep abyss with a vertical drop of over sixty meters, and at the bottom was a slowly churning lava lake.

The lava lake is not large, about forty meters in diameter. Its surface is covered with a thin, dark shell, through which orange-red light shines, like a half-closed eye.

In the very center of the lava lake stands the third core source of pollution.

A columnar structure about twelve meters high, with its base embedded in the lava lake and its top penetrating the rock strata to reach the outside atmosphere of the crater.

The surface of the column is the same as the previous two pollution sources... dark gray minerals, engraved with geometric patterns, with a faint blue light flickering.

The All-Seeing Eye popped up a message...

The third core source of pollution: the atmospheric poisoning engine. Operating principle: Sulfides are extracted from underground magma, heated and vaporized through catalytic channels inside the column, and high concentrations of sulfur dioxide and hydrogen sulfide are continuously emitted into the atmosphere from the top outlet.

The internal temperature of the column exceeds 1400℃, and there are a total of thirty-seven catalytic channels running through the entire column.

[Purification conditions: Permanently shut down the sulfide gasification function of the catalytic converter.]

Zhang Li squatted on the edge of the platform, staring at the pillar for a long time...

The solutions for the previous two pollution sources were "biodegradation" and "catalyst poisoning." This one is different.

The catalytic channel is inside the column, at a temperature of 1,400 degrees Celsius, which is inaccessible to third-order humans.

Thermal energy conversion only converts "heat that has been safely absorbed by the body" and does not provide thermal protection.

Nine hundred and fifty degrees is already the limit of dynamic equilibrium for extreme environmental adaptation combined with super physical recovery... One thousand four hundred degrees would directly burn his cells to carbon...

You can't go in.

Then let's try to find a solution from the outside.

Zhang Li's gaze fell on the dark, solidified crust on the surface of the lava lake.

Solidified magma crust...basaltic.

He crouched down, pried off a fragment of rock from beside his feet with his military knife, and placed it in his palm. His all-seeing eye scanned its composition: 47% silicon dioxide, 15% aluminum oxide, 12% iron oxide, 8% magnesium oxide...

Standard basaltic magma.

Zhang Li closed his eyes.

He recalled his past studies in military geology...

One concept mentioned is the relationship between magma viscosity and silica content.

Basaltic magma with a silica content of less than 52% has low viscosity, high fluidity, and allows gas to escape easily, thus preventing the formation of high pressure... This is why basaltic volcanoes are usually "mildly erupting"!

However, if the silica content in magma is artificially increased to over 65%, the magma will become a highly viscous acidic magma, thick and sticky like maltose, preventing gas from escaping and causing a rapid accumulation of internal pressure...

Ultimately blocked...

By blocking the magma upwelling channels, there is no supply of sulfides at the bottom of the column, and all thirty-seven catalytic channels are cut off.

The catalytic converter itself does not need to be destroyed; as long as its fuel source is cut off, the engine is just a pile of scrap metal.

Zhang Li opened his eyes and looked at the surrounding rock walls.

The silica content is 47%. He needs to raise that number to over 65%.

Where can I get the extra silica?

Zhang Li looked down at the rocky platform beneath his feet.

An all-seeing eye scan: Quartz veins.

There is a milky white quartz vein about ten centimeters wide along the edge of the platform, which extends at least thirty meters along the crack.

Quartz: Silicon dioxide with a purity of over 99%.

Zhang Li stood up and dropped his military knife.

He walked to the starting point of the quartz vein and slammed his right fist down.

Level 3 strength, with an arm explosive force of 2150 kg.

One punch.

The quartz vein broke apart along the cleavage plane, sending white fragments flying.

Zhang Li began mining.

Twenty minutes...

Zhang Li chipped out more than 300 kilograms of high-purity quartz fragments from the quartz vein and stuffed them all into the storage space.

He stood on the edge of the rocky platform, looking down at the lava lake sixty meters below.

The plan was simple: to release quartz fragments into the lava lake in batches.

This process allows silica to dissolve into basic magma, forcibly pushing the magma composition from basaltic to andesitic, and then to rhyolitic (the three states of magma: from basic to intermediate to acidic, with increasing silica content, lighter color, and greater viscosity).

Once the viscosity exceeds the critical threshold, the magma will change from a liquid state to a semi-solid "glue," blocking the sulfide extraction port at the bottom of the column.

For every 1% increase in silica content, magma viscosity increases exponentially.

It's slow at the beginning, but fast at the end.

47%到52%变化不大，52%到60%开始显着增稠，60%到65%会出现质变......

What he needed was not a uniform mixture, but to form a high-viscosity "silicone sealing ring" around the bottom of the column.

Zhang Li retrieved the first batch of quartz fragments from the storage space... about fifty kilograms of fragments.

He didn't throw it directly down.

The lava lake is forty meters in diameter; if you just throw something into it, it will disperse and dilute, making it extremely inefficient.

It must be accurately placed within three meters of the bottom of the column.

He bent down, picked up a fist-sized piece of quartz, and weighed it in his hand...

Pulling the right arm back and twisting the waist and hips, the power chain of Bajiquan runs from the soles of the feet through the entire body.

Throw it out...

The quartz block traced an almost straight arc as it struck the magma shell at the base of the column, causing the shell to crack and the fragments to sink into the orange-red magma.

A plume of white steam erupted from the contact surface—quartz began to dissolve in the magma at 1200 degrees Celsius.

It's very slow.

Quartz has a melting point of 1713℃, while magma has a temperature of less than 1300℃, so it cannot completely melt quartz blocks and can only slowly dissolve them on the surface.

This doesn't work.

Zhang Li frowned and quickly adjusted the plan.

He needs to increase the specific surface area of ​​the quartz, turning the large pieces into powder. With the contact area increasing dramatically, the dissolution rate increases rapidly...

Not enough sabers...

He took out a scale from the Abyssal Dragon in his storage space, placed the quartz fragments on the rock platform, and used the scale as a hammer to smash it piece by piece.

The hardness of deep-sea pressure-resistant flakes far exceeds that of quartz.

Soon after, 300 kilograms of quartz were ground into coarse powder.

Zhang Li divided the quartz powder into six portions, each weighing about fifty kilograms, and wrapped them into balls with dinosaur skin that he had taken out of the storage space.

He aimed at the base of the pillar and threw it with all his might...

The bag smashed through the magma shell and was burned by the high temperature the moment it sank to the surface. Fifty kilograms of quartz powder exploded in the magma.

The effect is immediate.

Within a two-meter radius of the base of the column, the flow rate of the magma surface visibly slowed down.

The color gradually darkens from a bright orange-red, with grayish-white solidified lines appearing at the edges.

The viscosity of the magma continued to soar.

Gradually... the magma around the base of the pillar stopped flowing, and bubbles trapped inside kept rising from the surface, bulging and bursting!

The gas escape is blocked... This proves that the silica content exceeds the critical value...

After the last piece of quartz powder sank in, the magma within a three-meter diameter area at the bottom of the column completely solidified into a dark gray glassy shell with a Mohs hardness of over six and a density far higher than the surrounding basaltic magma.

Silicone sealing ring... molded!

The geometric patterns on the column began to flicker, the frequency changing from a stable twice per second to an irregular flickering.

The supply of sulfides was cut off.

However, there is still some remaining within the catalytic channel...

The All-Knowing Eye monitored that the sulfur dioxide concentration at the top of the column's exhaust port decreased by only 31%... The residual sulfurous gases in the channel were still being discharged outwards due to residual heat.

Now all we can do is wait...

Zhang Li sat cross-legged on the platform, his thermal energy continuously replenishing his energy, and his super body was repairing the large and small burn marks all over his body!

About 3 hours later...

Just as Zhang Li was getting restless... the dungeon notification sound finally rang!

[Third Core Pollution Source - Atmospheric Toxicity Engine: Sulfide supply interrupted, residual gas in the catalytic channel vented. Purification Assessment: Complete.]

[Core pollution sources have been purified: 3/3.]

Please activate the "Seeds of Pure Land" to restart the ecological cycle.

A new task instruction pops up.

The All-Knowing Eye automatically marked the location of the Pure Land Seed... directly below the volcano's interior, at the bottom of the lava lake, embedded in the bedrock.

Zhang Li looked down at the scalding hot lava lake sixty meters below, which he had transformed into a semi-solidified state.

"What the hell is this? How do we get down here???"

But the dungeon can't be finished without going down into it!

Just as Zhang Li made up his mind and prepared to get up, the rocky platform beneath his feet suddenly shook.

Zhang Li suddenly looked up...

Beyond the dome-shaped fissures within the volcano's interior, a colossal shadow, hovering in the dark yellow sky for countless billions of years...

Stopped.

All six wings stiffened and opened simultaneously, their enormous wingspan obscuring most of the sky outside the crack!

Tens of thousands of tiny facets simultaneously reflected a dazzling, cold green light, all locking onto Zhang Li.

It received orders to annihilate the enemy!