The Red Barbarian Cannon, Infinitely Powerful.

"The iron-core copper-body technology uses steel for the inner layer to minimize carbon content, iron essence for the middle layer to withstand pressure, and a copper sleeve on the outside to prevent bursting. This forms a 'Steel Bone Iron Body' structure, resulting in thin barrel walls, light weight, and low cost, which significantly reduces the rate of barrel explosions."

Upon hearing Murong Huai's words, the master craftsmen looked at each other in confusion. They knew iron and copper, but what was steel?

"Uh, dare I ask, Your Holiness, what is this steel..."

Hearing this, Murong Huai realized that Douluo Continent currently lacked steel-making technology and only knew how to refine iron essence, so he gave a rough explanation.

"Hmm... steel is a metal harder than iron, a type of alloy. Once I return today, I will write down the smelting method for steel, as well as the structure for the new cannon barrels and shells. Let's leave it at that for today."

"Yes, Your Holiness."

Returning to Murong Mansion, Murong Huai dove straight into his room to draft the blueprints for the new cannon barrels and the detachable structure for the gun carriages.

After about an hour, Murong Huai finished the drawings, followed by the steel smelting method.

"To keep the carbon content of iron low, use the Stir-Steel Method to create steel. Heat pig iron to a semi-liquid state, then use bellows or sprinkle in mineral powder to oxidize and remove elements like carbon and silicon, thereby lowering the carbon content to obtain steel.

Mineral powder... the gunpowder also needs appropriate improvements..."

Another hour passed, and Murong Huai finally finished. There were sixty-eight blueprints in total, covering the new cannon barrels, shells, Explosive Shell, steel smelting technology, and so on.

It is good to have a major power behind you; he only needed to draw the items, and others would naturally handle the rest. If they couldn't build it even with the blueprints, those master craftsmen might as well go home.

After finishing everything, Murong Huai packed them into a box and spoke toward the door:

"Tu Zhen, come in..."

Hearing this, Tu Zhen pushed open the door and walked in.

"What are your orders, Your Holiness?"

"Deliver these to the West City Workshop. Do not let anyone see them except for the master craftsmen." Murong Huai handed the box to Tu Zhen.

"Yes, Your Holiness."

Tu Zhen took the box, bowed, and turned to leave. Tu Zhen was loyal to Martial Soul Hall and would never leak this information.

Murong Huai yawned, "Finally done. It's not easy being a six-year-old child; this Martial Soul Hall would fall apart without me."

With that, Murong Huai lay down on the bed to rest. After all, he was currently in a six-year-old body and prone to drowsiness.

Half a month later, On the plains outside Martial Soul City.

At this moment, several figures stood on the plain: Murong Huai, Qian Daoliu, two guardian elders, Tu Zhen, a dozen craftsmen, and a hundred guards.

The master craftsmen had finished forging everything a day ago, and the Red Barbarian Cannon had been completely revolutionized.

The barrel used iron-core copper-body technology, which not only increased durability and greatly reduced the explosion rate but also significantly reduced the overall weight. The wheels of the cannon carriage were also fitted with leather, with a toothed surface for easier movement.

Murong Huai, dressed in a black robe, stood on a high slope. His gaze was like a torch, sweeping across three rammed-earth walls located eight hundred, one thousand, and fifteen hundred meters away, each accompanied by a dozen wooden targets three to four meters high.

These targets had been rushed out by the craftsmen overnight to test the power of the new Red Barbarian Cannon from the West City Workshop.

"Huai'er, begin. Let Teacher see this weapon of war you mentioned." Qian Daoliu looked at the Red Barbarian Cannon, a look of anticipation flashing in his eyes.

"Very well, Teacher. Just watch."

"Load, Solid Shot!" At Murong Huai's command, a craftsman quickly pushed a perfectly round iron ball into the barrel of the first Red Barbarian Cannon.

This Solid Shot weighed over ten kilograms, its surface smooth as a mirror, gleaming with a cold metallic luster under the sun.

Murong Huai held his breath, watching as the pitch-black muzzle suddenly spat out an orange-red tongue of flame. The Solid Shot tore through the air like a meteor, heading straight for the farthest target.

"Fire!"

BOOM! With a heaven-shaking roar, the Solid Shot precisely shattered the target eight hundred meters away. The target was instantly torn to pieces, a two-meter-wide hole was ripped into the rammed-earth wall, and flying debris scattered like raindrops. The Solid Shot did not stop, flying for dozens of meters more before slamming into the ground.

"Your Holiness, the power of this Solid Shot is about twice as strong as the last one." Xiongshi analyzed after observing the impact.

Murong Huai nodded, quite satisfied with the result.

"That is only natural. This new type of shell incorporates steel, which not only increases hardness but also reduces weight. The redesign of the barrel allows for an effective range of eight hundred meters and a maximum range of one thousand meters, so the power has naturally increased significantly."

"Good, the power of this shell is already comparable to a strike from a Spirit Emperor." Qian Daoliu was somewhat surprised, having never seen such a weapon before.

"Teacher, this is just the basic version. What comes next is the true power of this cannon." Murong Huai smiled and continued his orders.

"Load, Hollow Shell, fill with gunpowder."

The loading process for the second cannon was more cautious. The gunners pushed a hollow shell wrapped in iron plating into the barrel. The interior of the shell was filled with gunpowder, and its surface was covered with tiny holes. After the fuse was lit, BOOM!!

The Hollow Shell shot out from the barrel, streaking across a thousand meters before striking the target. It did not shatter immediately but rolled for a full ten meters beside the rammed-earth wall.

Then, a dull and terrifying roar erupted. A horrific explosion surged outward, and in an instant, the entire rammed-earth wall was torn apart. The earth blocks scattered in a fan shape, the force of the explosion shattering all the surrounding targets into powder.

"Beautiful! Even a mid-level Spirit Emperor wouldn't dare underestimate this strike. Excellent!"

"The power has increased several times over. Well done..."

"..."

Following this, Murong Huai did not pause, continuing to issue orders, "Prepare the third round, load the Explosive Shell."

The loading process for the third cannon was even more complex; the craftsmen used a specialized wooden mallet to pack the gunpowder inside the shell. The projectile was covered in indentations, its internal structure intricate enough to split into hundreds of curved iron shards upon detonation.

Murong Huai caught the scent of sulfur permeating the air, his gaze locked tightly onto the target furthest away, fifteen hundred meters out.

BOOM! Unlike the destruction of the previous two shots, this explosion manifested as a perfect spherical kill zone, the terrifying blast scattering outward as flames and thick smoke surged toward the sky.

The earthen wall at the center of the target was lifted high into the air by the shockwave, while all targets within twenty paces were thrown horizontally; the closest ones were even melted into fly ash by the intense heat.

The hundreds of curved iron shards split from the shell harvested every obstacle like the scythe of the Grim Reaper, with the furthest fragments still embedding themselves firmly into the ground seventy paces away.

Watching this final Explosive Shell, the crowd's eyes were filled with shock; the area-of-effect lethality of this Explosive Shell was enough to create a purgatory for enemy troops during a dense charge.

Qian Daoliu could not calm his heart at this moment. A terrifying explosion fifteen hundred meters away, with power reaching that of a high-level Spirit Emperor, or even rivaling a Spirit Saint—and it was area damage at that. His fingers brushed over the residual heat still lingering on the cannon barrel.

The precise destruction of the Solid Shot, the tactical suppression of the Hollow Shell, and the mass lethality of the Explosive Shell—these three types of ammunition were like three sharp swords, precisely piercing the needs of soldiers on the battlefield: breaching walls, hindering cavalry, and annihilating the enemy.

This Pope of the Martial Soul Hall gazed at the shattered targets in the distance, his heart unable to settle for a long time.

Behind him, Murong Huai was extremely satisfied with the power of the Red Barbarian Cannon. Such power was sufficient to reach the lethality level of a level six or seven Soul Tool from the era of the Sun Moon Empire. However, Soul Tools required spirit power to be used.

Yet, this Red Barbarian Cannon could fire continuously as long as there was sufficient ammunition. Furthermore, with development, all kinds of thermal weapons would be born in the future. Murong Huai thought to himself:

Since the Sun Moon Empire of the second era developed Soul Tools, then I will lead the Martial Soul Hall to develop firearms. Thermal weapons—not just the Red Barbarian Cannon... firearms, grenades... all of them must appear.

Since there has been no innovation, I will lead the Martial Soul Hall to ignite the first Industrial Revolution on the Douluo Continent!!!