Hydraulic boring machines are not a new thing, as in the fifteenth century, there were already hydraulically driven barrel boring machines for early artillery.

However, the accuracy and efficiency of the early hydraulic boring machine were not good, and when it was really applied on a large scale, it was after Watt improved the steam engine.

Moreover, the barrel boring machine is not used on a large scale on the barrel, in addition to the accuracy problem, the other point is that the barrel is a fast consumable, and the demand is huge, even the hydraulic boring machine can not be satisfied. Until the age of steam, the barrel was coiled steel, that is, the forged iron plate was rolled up, and then the seams were sealed with screws.

Although the quality of the boring barrel far exceeds that of the barrel, the backwardness of efficiency also made it suffer the fate of the Tiger tank during World War II.

And because of the existence of dwarves in this world, they have enough craftsmen and human hands to slowly boring the barrel, so the branch of the technology tree of the hydraulic boring machine is not lit.

More importantly, although the muskets on the earth were suppressed by bows and arrows in the early days, the two sides were still able to break their wrists, and with the progress of science and technology, muskets finally eliminated the cold weapon of bows and arrows. However, due to the existence of magic in this world, the hot weapon of the early musket was directly strangled in the embryonic stage, and finally the war technology of the whole world was also imprisoned in the era of cold weapons.

But all this will change today, and Duke will finally let the hot weapon show its true nature as the king of war! Not to mention the modern standard rifle, not even the breech-loading gun, as long as the rifling and mini bullet are invented, the archers of this world will face the fate of being slaughtered.

In the face of the technology of hot weapons, cold weapons cannot escape the fate of history after all, and they are destined to be eliminated!

Duke has always attached great importance to this kind of breakthrough in warfare, and he immediately identified dwarven craftsmen with experience in blacksmithing and transferred them to the Copperbeard's weapons laboratory. At the same time, Bruno was recruited, and according to the needs of the barrel, the design of a hydraulic boring machine began.

For Storm Castle, which already has crank coupling and gear set technology, it was not very difficult to retrofit a hydraulic boring machine, because the drive principle was the same. However, the requirements for stability and accuracy of the boring machine are far more than those of the hydraulic hammer forging machine, which requires process transformation and long-term debugging.

However, for the time requirements, Duke is far less urgent than it was at the beginning, after all, Storm Castle is many times stronger than when he came to this world. Moreover, the addition of 1,500 members of the Dwarven Legion once again strengthened the Storm Castle, so that the Storm Castle already had the power to protect itself.

Bruno recently needed to expand several hydraulic hammer forging machines to build weapons and agricultural equipment, and even had the important task of developing hydraulic grinders, and the pressure on him was arguably the largest in the factory, so Duke had no time limit.

......

At night, Duke is still extremely excited about the discovery of today's musket, the biggest flaw of Storm Castle is the lack of long-range attack means, if you can create a musket that matches the range of a strong bow, then relying on the number and power of musketeers, and there is no limit on the number of bows, it is no problem to crush the average archer on this continent, and Storm Castle will have enough long-range fire protection in the future.

As for the magician, Duke doesn't have a good idea for the time being, but I've heard that the dwarves have legendary magic masks, and even the dragon's breath can resist them, so I'll go to the hammer again when I have time to see if I can make it.

Duke changed into his pajamas and lay on the bed, leaving only a faint candle in the bedroom. But for some reason, Duke began to have a feeling of restlessness. The last time this feeling appeared, it was when the monster army attacked Stormkeep, could it be that the gates of hell that Gandalf spoke of were really opened?

However, winter is about to pass, and the Seine River has basically been unfrozen, will the ice demons choose to attack at such a time when the advantage is not obvious?

Just as Duke was thinking about it, he suddenly felt the light in front of him dim, as if something was blocking the light. This strange situation happened, making Duke instantly realize that the situation was wrong, but before he could make any movements, a cold touch came from his neck, and a low female voice sounded at the same time: "Don't move, or I will cut your neck." ”

Damn, another space witch like Rose? That was the first thought that popped into Duke's mind, but when he saw the person through the faint light, Duke's idea was immediately overturned.

The female assassin was dressed in black leather armor and held a dagger in her hand, with the same indifference as Rose. But unlike humans, she has pointed ears and a hint of purple on her skin, similar to the elves described in the literature. It's just that Duke doesn't understand why the elves suddenly appear in Storm Castle and assassinate themselves!

"You have the final say, I will never move!"

Duke can be said to have a deep understanding of the truth that being able to bend and stretch is a big husband, so he confessed on the spot.

Seeing Duke so obedient, the elf moved the dagger around his neck a little at the moment.

Feeling this move, Duke understood that there was a possibility of talking, so he said: "Now that they have entered a civilized society, there is no need to fight and kill, just say what you want to do, and do whatever you can do next!"

When Duke said this, the female assassin was stunned for a moment, didn't it mean that the Otto family valued courage and glory, this Duke was too spineless, and for a moment she wondered if she had assassinated the wrong person.

Duke naturally felt the wordless mentality of the female assassin, but Duke was also very indifferent, he didn't have the discipline of giving his life for glory and courage in this era, pretending to be forced to fight hard, and admitting cowardice was also to live, the two did not conflict in Duke's opinion.

After all, now that the little life is in the hands of others, what about pretending to be a good man to show Lord Yama?

"The witches who rescued the heretics from the Inquisition in Andorra la Vella were your men?"

When he heard this, Duke instantly understood the identity of the comer, the woman in front of him was the Fallen Elf! Moreover, Hera had also said before that the Fallen Elves were very good at concealment and probe, and only the Elves had the strength to bypass the tight defenses of Storm Castle and come to their bedrooms.

After all, in terms of magical defense, it is the biggest shortcoming of Storm Castle at present, there is no full-time combat mage, and ordinary soldiers cannot detect the hidden fallen elves. It's just that Duke doesn't understand what the Fallen Elves are doing when they come to the door.