"How is that possible?!" Lukka couldn't say anything other than that when the dust had settled.

The low wall in front of it was long gone, and not even a single brick remained, except for a single brick-red powder. Although the shock of the artillery fire was staggering, what was even more unexpected was that if the collateral damage caused by the shaking was not counted, the fire did not reach any additional targets except for the brick wall, and the dilapidated buildings behind the wall were not hit at all.

"You don't have any shells for this cannon?" asked Phil suddenly.

In the Boiling Sea, technology has only developed to the extent that the industrial revolution has not yet begun, and even the gnomes and goblins who are on the road to development basically follow the same principle: ignite the gunpowder in the breech, and use the impact of the gunpowder explosion to fire the cannonballs to cause damage.

Even if you want to improve, that is, make some fuss about the warhead, for example, replace the solid warhead with a flowering bullet that can explode, and replace the round warhead with a streamlined warhead. A weapon like this that fires pure energy, not to mention Phil, is Luca, who has traveled from the real world to the past, and has only seen it in movies.

Gavin said triumphantly: "This cannon, with any shell, is a great waste of firepower! Moreover, it does not use gunpowder at all!"

After saying that, he opened the panel behind the cannon and pulled out a disc from it, on which hundreds of energy crystal nuclei were densely placed, but they were all dim.

"You used up so many crystal nuclei in this cannon?" Lukka knew very well that what this crystal nucleus contained was unrefined magical energy, although it was nothing to him, but there were so many of them, and they should not be underestimated when put together.

"Yes, a single fire consumes a total of one hundred and forty-four A-grade crystal nuclei. Gavin nodded.

"It's too expensive!" Thea said loudly, although she didn't know how much these crystal nuclei were worth, but judging by Luca's expression, it was definitely not a small amount.

"Compared to the technological content of this cannon, this crystal nucleus is nothing. Gavin patted the barrel of the gun and said.

"But with these things alone, can you penetrate all the magical protection used by the captain?" Daniel circled around the cannon.

"The captain's magical protection is probably strong...... Gavin's explanation was interrupted halfway through.

Lukka said loudly, "What do you mean by 'probably strong'?

Gavin knew that he was wrong, so he corrected it: "Okay, the captain's magic protection is very strong, but this cannon I designed can gather the energy of one hundred and forty-four energy crystal nuclei at one point, and then launch them in a directional direction, just like how thick your clothes are, if you prick them with a needle, you will definitely be able to pierce them, right?"

"But this protection isn't clothing, didn't Phil say it's like a steel plate?" asked Ollie.

"The principle is the same, although the energy is not so large that it is shocking, but once it is gathered at one point, the penetrating power will be many times stronger than the original. Phil roughly figured it out.

"But this kind of thing, even magic protection can be broken, isn't Luka's magic protection immune to ordinary attacks?" asked Ollie.

Lukka smiled and said, "The energy of these energy crystal nuclei is originally scattered magical energy scattered in the boiling sea, which can be used to attack magic protection, which can be regarded as crooked." ”

Shut up and flew to the barrel of the cannon, poked his head in and looked at it for a long time, flew to the top of Gavin's head to check the energy crystal nuclei in his hand, raised his head and asked Luca loudly, "Do you see if this thing has any effect on divine power?"

Lukka pondered for a moment and replied, "I can't be sure, but when fighting that wand in the Sunset Islands, the power of plastic energy can be used against him, which may mean that this thing may really work." ”

"Useful?" Gavin snapped at the key word and jumped up happily, "That means I can get on the boat, right?"

"Yes, let's move it to the cargo hold. Luca said.

"Wait!" Finch wanted to stop, but he didn't dare to disobey Luca's order, so he had to come over and say, "His cannon cost more than a hundred A-grade crystal nuclei at a time, Captain, don't you let him bring more spare? Otherwise, such a heavy cannon can only be placed once, and it is really not worth moving." ”

"What's wrong with once? once in a critical place, it's better than a hundred of your boring contraptions!" Gavin shot back.

"So, the crystal nucleus you brought with you can really only fire one shot?" Lukka pressed his hand on Gavin's shoulder.

A few sweat stains flowed from the goblin's head, and he rubbed his hands uneasily and said, "This A-grade crystal nucleus is really not easy to make, I have searched all over the Deep Mine City, and I have found less than three hundred." I used it once today and the rest ......"

"That's disposable!" Finch caught his weakness.

"One at a time. Lukka glared at the gnome, who immediately relented, then he turned to Gavin and continued, "You take the used crystal nucleus with you, and go back to the captain's room with the ones full of energy, and I'll study it." ”

"No problem!" Gavin immediately toby and McCorbe as they loaded the cannon onto the ship. Four metal wheels were installed under this cannon, otherwise these two goblins would not have been able to move it at all.

"Speaking of which, does this cannon have a name?" Phil asked, looking at the two goblins with all their might.

"Eh, the cannon still has a name?" Gavin never seemed to have thought about it, goblin cannons are usually only numbered.

"Of course," Phil nodded, "such an unusual energy cannon must have a resounding name." ”

"Captain, what's your name?" said Gavin asked Luca for help.

Lukka hurriedly waved his hand: "I don't know how to name it, you think, I'll choose a good one from it." ”

Phil thought for a moment and said, "The cannon that fires magic energy, or is it called the magic energy cannon?"

"Oh no! It sounds like it's for a villain. Lukka immediately denied it, and he almost relented and said "Burning Legion".

Thea thought for a while and said, "The energy bomb emitted by this cannon is very unique, a ball of light with wings, and it is still spinning, or it is called a spiral pill, right?"

Lukka stared at her eyes for a long time, and asked faintly, "Are you sure you didn't cross like me?"

"What do you mean by crossing?" Thea blinked wide.

"Forget it, it's probably a coincidence, but this doesn't work, we're not anime fandom!" Lukka denied again.

"It's troublesome, then you can name yourself!" Thea shook her hand and turned back to the boat.

Nora tugged at Luca's sleeve: "Captain, don't be in a hurry to think about the name, can we eat first?"