Chapter 100 - Chapter 100 : Upgrading Burning Sky Tower and A 7 th Grade pill

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We've officially reached Chapter 100 of Battle Through The Heavens: Rise of Xiao Family Twin Geniuses! 🎉🔥

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The Sky Burning Qi Refining Tower had always been the true heart of the Inner Academy.

Its existence alone was enough to make Canaan Academy stand proudly above countless factions throughout the Northwestern Region.

At the center of the tower—

Deep beneath the earth—

Lay the terrifying existence known as the Fallen Heart Flame.

The invisible Heart Flame it released continuously tempered the Dou Qi inside cultivators' bodies, allowing people to remain in a near-constant state of cultivation.

Because of this—

Cultivating inside the tower was several times faster than cultivating outside.

However, after reaching the Dou Wang and Dou Huang realms, the effects of the tower gradually became weaker.

This was something the academy had struggled with for decades.

The Heart Flame could temper ordinary Dou Qi efficiently, but the higher one's cultivation became, the denser and stronger their Dou Qi turned.

Especially for Dou Huang experts—

The existing formations inside the tower were simply no longer sufficient.

And Xiao Feng—

Had decided to change that completely.

…

Nearly two and a half months ago—

Inside the deepest meeting hall of the Inner Academy—

Su Qian, Elder Qian Mu, Elder Bai Lie, Fire Elder, and several core elders sat around a large stone table.

The atmosphere was extremely solemn.

At the center of the table was an enormous blueprint of the Sky Burning Qi Refining Tower.

Xiao Feng calmly looked at everyone before slowly speaking,

"The current formation structure of the tower is outdated."

"The Fallen Heart Flame itself is not the problem."

"The problem is that the tower cannot fully guide and distribute its energy efficiently anymore."

The elders immediately became serious.

Su Qian narrowed his eyes slightly.

"You mean…"

"The tower still has untapped potential?"

Xiao Feng nodded calmly.

"Yes."

"A massive amount of Heart Flame energy is being wasted every single day."

"Especially on the lower floors."

"Most of the flame energy simply disperses into the surroundings without being properly circulated."

Fire Elder immediately stood up in shock.

"That's impossible!"

"The tower formations were personally established by the academy founders!"

Xiao Feng did not argue.

Instead—

He calmly took out several formation sketches and placed them onto the table.

"These are the energy circulation routes."

"The current formations absorb the Heart Flame energy directly."

"But they lack secondary circulation channels."

"The flame energy becomes unstable the deeper it goes."

"Which is why Dou Huang experts gain limited benefits."

Silence filled the room.

Because after carefully examining the sketches—

Even the elders realized Xiao Feng was correct.

Then Xiao Feng revealed his true idea.

"I want to add new formation layers."

"And…"

"I want to expand the tower itself."

The moment those words fell—

Even Su Qian's expression changed.

"Expand the tower!?"

Xiao Feng nodded.

"The original seven floors are no longer enough."

"The current structure was designed for ordinary students."

"But Canaan Academy has changed."

"We now possess far more Dou Wang and Dou Huang experts than before."

"If this continues, the tower's efficiency will gradually decline."

Then Xiao Feng pointed toward the bottom section of the blueprint.

"I plan to create three additional lower levels."

"Not for ordinary students."

"But specifically for Dou Wang, Dou Huang, and peak Dou Huang cultivation."

The room instantly erupted into chaos.

Even Elder Bai Lie inhaled sharply.

"Three new floors!?"

"Do you know how difficult that would be?"

"The deeper underground we go, the more unstable the Fallen Heart Flame becomes!"

"The pressure alone would kill ordinary people!"

Xiao Feng calmly nodded.

"I know."

"That's why it will take time."

Then he softly smiled.

"But if we succeed…"

"The overall strength of the academy will rise by an entirely new level."

…

After several days of discussion—

The academy finally approved Xiao Feng's proposal.

And from that day onward—

The entire Inner Academy secretly entered lockdown.

Only a handful of people even knew what was happening.

The first month was spent entirely on preparation.

Countless materials were gathered.

Fire Crystal Stones.

Earth Vein Iron.

Flame Spirit Jade.

High-grade Magical Beast cores.

Even rare space-stabilizing ores.

The academy treasury nearly emptied itself halfway through the process.

Many elders felt heart pain watching resources disappear daily.

Even Su Qian once laughed bitterly,

"If this fails…"

"Our academy may need another hundred years to recover."

But Xiao Feng remained calm throughout everything.

During those thirty days—

He spent nearly every waking moment inside the tower studying its structure.

The deeper he went—

The more terrifying the pressure became.

Especially below the sixth floor.

Even Xiao Feng had to continuously circulate Heavenly Flame Dou Qi to resist the invisible burning pressure.

The Fallen Heart Flame itself seemed to possess intelligence.

Several times—

Violent flame riots erupted while Xiao Feng was studying.

Entire sections of the tower nearly exploded with invisible fire waves.

At one point—

Even Elder Qian Mu was forced to personally suppress the energy leakage.

But despite all this—

Xiao Feng gradually began understanding the true structure of the tower.

One night—

While sitting alone inside the eighth floor—

Xiao Feng suddenly opened his eyes sharply.

"I see now…"

"The academy founders never finished the tower completely."

The original formation blueprint was incomplete.

The founders had only stabilized the upper structure.

The lower energy circulation paths had never been perfected.

Which explained why the tower's effects weakened drastically for stronger cultivators.

After understanding this—

Xiao Feng immediately began reconstructing the entire formation network.

…

The second month became even more exhausting.

If the first month was preparation—

Then the second month was true hell.

Because Xiao Feng was not merely setting up one giant formation.

Instead—

He divided the entire tower into hundreds of interconnected smaller formations.

Every cultivation room.

Every hallway.

Every floor.

Even the public cultivation areas.

All received separate energy circulation formations.

At the same time—

He also needed to ensure that if one section became unstable during a Heart Flame riot, the remaining sections would continue functioning normally.

This alone nearly drove several assisting elders insane.

Even Xiao Feng himself became mentally exhausted.

Sometimes—

He would remain inside the tower for three entire days without sleep.

The continuous mental calculation required for formation alignment was terrifying.

Especially when adding the three new underground floors.

The pressure near the Fallen Heart Flame became overwhelmingly dangerous.

Ordinary Dou Wangs could not even remain there for more than a few minutes.

Only Xiao Feng, Su Qian, and the guardian elders could continue working below.

One time—

A violent eruption nearly shattered the newly constructed tenth floor completely.

The entire underground region trembled violently.

Even the Inner Academy students outside panicked.

At that moment—

Xiao Feng directly entered the unstable flame zone alone.

Using Heavenly Flame control and formation seals simultaneously—

He forcibly stabilized the raging Heart Flame currents for nearly six hours straight.

When he finally emerged—

Even his face had turned pale.

Xiao Yi Xian nearly cried seeing his exhausted appearance.

Xiao Qiao Lin also angrily scolded him afterward.

"You're treating yourself like a machine!"

"If the backlash had exploded, even your body would have been severely injured!"

But Xiao Feng only smiled tiredly.

"If we succeed…"

"It'll all be worth it."

…

Finally—

After two and a half months—

The upgraded Sky Burning Qi Refining Tower was completed.

The entire academy shook with excitement.

The tower now possessed twelve floors instead of nine.

The newly added lower floors contained terrifyingly dense Heart Flame energy.

The 5 th to 7 th floor were designed for Dou Wang cultivation.

The 8 th to 10 th floors—

Were specifically for Dou Huang experts.

Even peak Dou Huang cultivators could receive enormous benefits there.

Not only that—

Xiao Feng also added body tempering formations, soul calming formations, and energy purification formations.

The Heart Flame's violent side effects were reduced at least half.

Cultivators could now remain inside the tower for much longer periods without mental exhaustion.

When the elders first tested the upgraded tower—

The entire academy became stunned.

A peak Dou Huang elder directly broke through after cultivating for seven days inside the twelfth floor.

Another elder emotionally exclaimed,

"This cultivation speed…"

"It's at least three times stronger than before!"

Even Su Qian himself remained silent for a long time after personally experiencing the new floors.

Finally—

He slowly looked toward Xiao Feng and sighed deeply.

"You little monster…"

"You've completely changed the future of Canaan Academy."

And from that day onward—

The Sky Burning Qi Refining Tower truly became worthy of being called the greatest cultivation holy land in the Northwestern Region.

After the successful completion of the new Sky Burning Qi Refining Tower floors, Su Qian immediately issued strict orders to every elder present.

"No one is allowed to spread news about the new floors outside the academy."

His expression was extremely serious as he looked around the hall.

"From today onward, the last three floors of the tower are classified as one of the academy's highest secrets."

"Their protection level will stand only below the Hidden Book Pavilion."

Hearing this, all the elders nodded solemnly.

They clearly understood what these new floors represented.

If news spread that Canaan Academy possessed cultivation grounds capable of helping Dou Huang experts temper their bodies and increase cultivation speed dramatically—

The entire Northwestern Region would go crazy.

Even factions from the Central Plains might secretly interfere.

Thus—

Absolute secrecy was necessary.

Afterward, under Xiao Feng's guidance, the academy quickly created a completely new Fire Energy system corresponding to the new floors.

The original tower floors remained unchanged for ordinary students.

However—

The newly added tenth, eleventh, and twelfth floors required entirely different levels of authority and payment.

The Fire Energy cost was terrifyingly high.

Especially the twelfth floor.

Even entering for one single day required an amount of Fire Energy that ordinary elders could barely afford.

But surprisingly—

Not a single elder objected.

Instead—

All of them became eager and excited.

Because after personally witnessing the effects of the upgraded tower, everyone knew one thing clearly—

The benefits were absolutely worth the price.

Unfortunately…

There was one small problem.

None of them had enough Fire Energy.

…

Inside the Elder Meeting Hall—

Several elders sat there with bitter smiles on their faces.

One elder helplessly sighed.

"I finally understand why students always complain about lacking Fire Energy…"

Another elder rubbed his forehead.

"These past months, I spent almost all my savings buying medicinal pills from Xiao Feng."

"Same here…"

"Recovery Pills, Ice Heart Cleansing Pills, Dou Qi Recovery Pills…"

"And recently I even requested a body tempering medicinal liquid…"

Listening to the discussion, many elders smiled awkwardly.

The reason was simple.

Ever since Xiao Feng started openly refining medicinal pills for the academy—

The entire Inner Academy had become addicted to his pills.

Especially because Xiao Feng's pills possessed extremely low medicinal residue and almost no long-term side effects.

Compared to ordinary pills—

The difference was enormous.

Even Su Qian himself had secretly purchased many recovery pills from Xiao Feng recently.

After all—

The old man frequently dealt with hidden injuries and exhausting battles while suppressing the Fallen Heart Flame.

Thus, high-quality recovery pills were extremely important to him.

As a result—

Despite being the Acting Dean—

Even Su Qian himself barely had enough Fire Energy left to use the new tower floors for a few days.

Seeing everyone's depressed expressions, Su Qian could only cough awkwardly.

"Ahem…"

"The academy rules exist for everyone equally."

"No exceptions."

Hearing this—

The elders became even more depressed.

One old man directly covered his face.

"We built the thing ourselves…"

"And now we can't even afford to use it…"

The entire hall instantly filled with helpless laughter.

Meanwhile—

One thing became universally acknowledged throughout the academy.

Aside from Su Qian and the two Guardian Elders—

Xiao Feng had officially become the richest person in the entire Inner Academy.

Even many elders could not compare to his wealth anymore.

Medicinal pills.

Formation services.

Body tempering liquids.

Soul nourishing medicines.

Cultivation resources.

Almost every major transaction within the academy now involved Xiao Feng in some way.

Even the students secretly joked:

"If you offend Elder Su Qian, you might still survive."

"But if you offend Xiao Feng…"

"You'll probably never get a pill again for the rest of your life."

…

After settling the tower matters, Su Qian personally called Xiao Feng to the Hidden Book Pavilion.

The old man looked unusually satisfied today.

"You little monster…"

"You've contributed more to the academy in one year than some elders have in decades."

"According to academy rules, you may select three to four treasures from the Hidden Book Pavilion."

Hearing this—

Even the Guardian Elders showed slight envy.

The Hidden Book Pavilion was the true foundation of Canaan Academy.

The things stored there were treasures accumulated over hundreds of years.

However—

Xiao Feng surprisingly shook his head calmly.

"I don't urgently need cultivation techniques or Dou Skills for now."

Then he slowly continued,

"If possible…"

"I would rather ask the academy for something related to body refinement."

The moment those words were spoken—

Elder Bai Lie suddenly paused.

A strange expression appeared on his face.

Then he exchanged looks with Su Qian and Elder Qian Mu.

The three silently communicated for a while using Dou Qi transmission.

After several minutes—

They finally nodded.

Seeing this, Xiao Feng became slightly curious.

Then Elder Bai Lie slowly stood up.

"Wait here."

After speaking—

His figure instantly disappeared from the pavilion.

About an hour later—

He finally returned carrying an ancient jade box.

The moment the box appeared—

Even Xiao Feng's eyes narrowed slightly.

A faint golden aura seeped out from within the jade box.

The energy fluctuation alone was astonishing.

Elder Bai Lie carefully placed the box onto the stone table before speaking slowly,

"What you requested…"

"May perhaps be this item."

Then—

He gently opened the jade box.

Inside rested a golden medicinal pill covered with ancient dragon-like patterns.

The pill emitted a faint metallic glow.

Just looking at it gave people the illusion of facing an indestructible mountain.

Even Xiao Feng could feel his Beast Creation Physique reacting slightly.

"This pill…"

Elder Bai Lie stroked his beard slowly.

"…is called the Vajra Indestructible Pill."

"A genuine Grade 7 Medicinal Pill."

The atmosphere instantly became solemn.

Even Xiao Feng revealed appropriate surprise on his face.

Although he already knew how precious this pill was—

He still maintained a shocked expression naturally.

After all—

A seventh-grade medicinal pill was something even many Dou Zong experts could only dream of obtaining.

Elder Bai Lie slowly sighed.

"There is a famous legend on the continent…"

"Back then, Wind Venerable consumed the Yin-Yang Profound Dragon Pill."

"By destroying first and then rebuilding…"

"He completely transformed himself and eventually stepped into the Venerable realm."

Hearing the legendary name—

Even Su Qian's eyes flickered slightly.

Then Elder Bai Lie continued seriously,

"However…"

"This Vajra Indestructible Pill is different."

"It is not merely a healing or breakthrough pill."

"This…"

"…is an Ancient Medicinal Pill."

The room instantly became silent.

Ancient Medicinal Pill.

Those words alone carried terrifying weight.

Elder Bai Lie slowly explained,

"According to ancient records…"

"There once existed an Ancient Alchemist who was dissatisfied with the naturally weak bodies of humans."

"He believed that compared to Magical Beasts, the human body was too fragile."

"So he spent his entire life researching body refinement."

"He searched countless dangerous lands…"

"Hunted countless Magical Beasts…"

"And experimented with innumerable medicinal combinations."

"Finally…"

"He created the Vajra Indestructible Pill."

As he spoke—

Even the Guardian Elders showed respectful expressions.

Clearly—

This pill possessed extraordinary history.

Elder Bai Lie then looked directly at Xiao Feng.

"This pill can fundamentally strengthen the human body."

"After consuming it, one's physique can gradually become comparable to a Magical Beast."

"It is especially beneficial for body cultivators."

"Not only can it increase body strength…"

"But future body tempering will also become far easier."

"One could achieve twice the results with half the effort."

Hearing those effects—

Even Xiao Feng's heartbeat quickened slightly.

Because this pill…

Was practically tailor-made for him.

His Beast Creation Physique already possessed terrifying body refinement potential.

If combined with the Vajra Indestructible Pill—

The effects might become truly monstrous.

Even the inheritance left behind by Beast Venerable did not contain such an ancient body refinement pill.

Xiao Feng slowly looked at the golden medicinal pill inside the jade box.

For the first time in a long while—

True excitement appeared deep within his eyes.