The Second Empire of Azeroth

Magni was not an adventurer; he wouldn't kill Thaurissan in front of his daughter. Under Moira's protection, Thaurissan's life was spared.

However, Magni did not withdraw his troops. He reached a cooperation with the Thorium Brotherhood, imprisoning Thaurissan and Moira in the Emperor's Seat. The two forces jointly controlled Blackforge.

After completing all of this, Magni led his men to clear out the remaining Black Iron dwarves who were still resisting. After capturing all the hostile Black Iron dwarves, he reinforced Roger.

Arriving at the entrance to Molten Core, Magni saw Roger using the small cave to kill wave after wave of fire elementals, drawing fire elemental energy from their corpses and channeling it into a strange crystal.

"What are you doing?"

"Collecting energy!" Roger said with a smile, "I'm preparing to create a powerful weapon, and these crystals are for charging that weapon."

"Oh?" Mentioning weapons, Magni became interested. "What weapon? Would you mind telling me about it?"

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"No problem, but I have to wait until I've collected enough energy."

Before long, the fire elementals sensed something was wrong. They sent some fire elementals up from the Iron Anvil in Blackforge, discovering that the Black Iron dwarves had been defeated, and stopped sending fire elementals into Blackrock Depths.

After setting up a defensive line, Roger and Magni headed to the military factory.

Roger explained the design and function of the Apexis Cannon, and Magni's eyes lit up.

"We designed a powerful steel weapon with the gnomes—a tank. If we install the Apexis Cannon on the tank, perhaps it could make the tank even more powerful!"

"Your idea is good!" Roger couldn't help but give Magni a thumbs up. People who are proficient in design are just clever.

Because gunpowder was not mature enough, the tanks built by the dwarves did not have much offensive power and could mostly only be used as mobile walls. Because the cannons that could generate power were very large and could not be installed on tanks. The mortars used by the dwarves could be installed, but they were not powerful enough, so they were also abandoned.

The Apexis Cannon was not only lightweight but also powerful, making it a perfect cannon for tanks. If the two were successfully combined, the newly manufactured tank would become the king of war.

If an army of tanks could be formed, let alone the Scourge, even the Burning Legion would be crushed.

So, the two gathered craftsmen, spent a few days designing blueprints, and then spent more than half a month creating a prototype.

The body of this prototype was made of strong Black Iron. The Thorium Brotherhood's craftsmen spent a lot of effort creating the mold to cast the body. Magni personally crafted the treads, adding a lot of thorium to make the treads hard and elastic. Roger led people to build the cannon and personally set up the mana conduction circuit.

After installing the treads, setting up the cannon, and filling it with Arcanite crystals.

The test driver entered the tank, and under everyone's attention, the tank slowly started moving. Abandoning steam power and switching to magic power greatly increased the tank's speed. The test driver was an excellent tanker, and after the test drive, he liked it very much.

"It's great, not to mention the speed is fast, but the turning is stable, it can completely replace our existing tanks."

Receiving the test driver's praise, Roger, Magni, and the craftsmen were invigorated.

However, this was not the end of the test drive, after all, the attack power had not been tested. To avoid collapsing Blackforge, Roger placed the attack power test on the open space under Blackrock Mountain. It took some time to build a shooting range, and then Roger used Levitate to get the tank outside.

It was still the same tanker testing, he drove the tank straight down the mountain. Although the mountain road was rugged, the tank was still very stable.

Black Iron has a higher density than ordinary steel, and the body made of Black Iron has a lower center of gravity, so it is difficult to roll over.

Rushing to the shooting range, the tanker locked onto a target while moving at high speed, and then pressed the attack button.

"Boom—"

The cannon fired a beam of light, blasting the target into pieces.

"Wow—"

The tanker screamed, the cannon's attack power surprised him very much. This also made him fall in love with the new tank, he quickly pulled the control lever, driving the tank to rampage and constantly firing.

In less than a minute, more than a hundred targets set up in the shooting range were all destroyed. Either blasted to pieces by the cannon or crushed by the tank.

The tank stopped, the test driver opened the lid, looking at his masterpiece, extremely excited.

"Oh my god! I absolutely love it!"

Roger and Magni began to inspect the new tank.

"The body is intact, there are no problems."

"The crystal consumption is relatively serious, it seems that the body is too heavy, exceeding our expectations."

"Can you find a way to increase the crystal reserves?"

"It should be possible!" Roger said, "In fact, just keep a cockpit, and the reserved space can be expanded into an energy compartment. This way, at least more blocks of Arcanite crystals can be placed."

Magni nodded, "Okay! Magic power is indeed better than steam power, I'll modify the mold."

The two also picked out some minor problems, and then quickly improved the second version.

Although it was a little slow, it meant that the craftsmen could produce the Apexis Tank without Roger and Magni.

Next, as long as the production speed increases, an Apexis Tank army will quickly form.

By then, all enemies of the Allied Forces will tremble before the steel torrent.

However, the armory soon faced a serious problem—a shortage of Arcanite crystals.

Roger turned his attention to Molten Core, "It seems that the plan can only be brought forward!"

Originally, Roger wanted to completely occupy Blackrock Spire before advancing into Molten Core. But the lack of energy made him change his mind.

Roger did not enter from the entrance of Molten Core, but jumped down from the Iron Anvil. After many days of observation, the fire elementals were very concerned about the entrance, but not enough about the Iron Anvil. Or rather, because the Iron Anvil was an open area, it was difficult to defend.

After Roger's surprise attack, the fire elementals were caught off guard.