Then I checked every nook and cranny of the thirteenth floor. However, we could not find a stairway down to the fourteenth level. With four days left until the blockade, I noticed a skeleton knight patrolling a brewery in an abandoned town.

　That brewery was investigated once to make sure nothing was going on. Why is a skeleton knight guarding it?

Let's check out that brewery again."

That would be good. Maybe there's something I'm missing somewhere.'

　Elmore and I opened the door to the brewery and went inside. The cellar was lined with large fermentation tanks, presumably used for sake brewing. The vats were empty, but the tools used to make sake were still there, so we were sure they were used for sake brewing.

Last time we examined only part of the fermenter, but this time let's examine the whole thing."

　There are about twelve fermentation tanks, each about two meters in diameter. We began to examine them one by one. Seven of them were empty, but when we checked the eighth fermenter, we found a large hole in the bottom and what looked like an underground passageway underneath.

I'll go first.

　Elmore went in first. Next, I put on my night vision goggles before entering as well. The underground passage was quite long. I walked for about five minutes and did not reach the end of the tunnel.

　Two minutes later, after walking for about two minutes, I encountered a skeleton knight. I kill it with a blow of the sacred sword Gram and continue on. Finally, they reached the end of the road. There was a large door, which Elmore opened to reveal a staircase.

Finally, the stairs. Took you long enough."

　We went down the stairs and reached the fourteenth floor.

　The fourteenth level was the sea. Beyond the stairs was a wide sandy beach on the coast, with islands peeking out in the distance. Crabs were playing with the waves on the beach.

warp

The company has been a member of the "Japan Association for the Promotion of Science" (JACS).

　However, the crab was a giant crab with a shell width of about two meters. While I was staring at the giant crab, I heard Métis' voice.

'You can see the appetite oozing from his face.

　I cowered.

'I just wondered if there would be any dungeon errors.

Unfortunately, that mega crab is a big fish, and regular crabs are better," he said. The tastiest crab demon is the Titan crab with a carapace width of eight meters.

　So we decide to fly to the nearby island without fighting. I put Elmore in the shadow and jump up with the battle wing. While flying toward the island at an altitude of about five meters, I was surprised to see a five-meter-long shark-like demon jump from the sea ahead of me.

　It seemed to have jumped at me, but it seemed to have misjudged my altitude. I felt it was dangerous to just fly low, so I changed my altitude to about 20 meters. This way, even if I jumped, I wouldn't be able to reach him.

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　When they arrive at the island, they decide to investigate on foot. Elmore and Tamegoro out of the shadows.

In what way do you intend to strengthen Tamegoro?"

I'm thinking of installing three magic batteries to enable the use of "magnetic barrier" and offensive magic. First, I'm thinking of incorporating three magic batteries so that I can use 'magnetic barriers' and offensive magic, which consume a lot of magic power."

Can Tamegoro use magic?"

I think we'll be fine once Métis teaches us."

Does this mean I control Tamegoro?"

'Yeah, I think if you let them actually use it a few times, they'll learn.'

　He thought that since he could use the magic stored in the magic absorption alloy, he would be able to use living and offensive magic using the magic circuit core C if he taught it.

What about the rest?"

I'm thinking of using the knowledge about magic cores I acquired at the ten-story pyramid to improve it."

'That's interesting. What exactly are you going to do about it?'

　As I explained, Métis advised that I should first try it with Geronta, a frog-shaped shadow puppet. With Geronta, Métis said, I am not saying that I don't care what happens, but even if it should fail, the psychological shock would be small.

　There was a large mountain in the center of the island we were walking on, with a coastline around it. There were numerous megaclubs on this beach as well, and they attacked us when they saw us.

　I pull out my sacred sword Gram and begin to fight. In that battle, the sacred sword Gram showed tremendous sharpness and sliced through the mega club covered with a hard shell.

　Halfway around the island, I noticed what looked like an observatory built into the mountainside. I let Elmore and Tamegoro slip into the shadows and flew to that lookout with the D-particle wing.

　When I landed and examined the observation deck, I found a one-meter stone pillar with a dial lock at the top of it that looked like it was built into a safe.

What is this?"

　Around the dial, a circular knob, are numbers in magic letters. Normally, you would turn it clockwise or counterclockwise to unlock it, but it does not seem to be a key. It seems that it is not a key, but just a number to choose from.

　I set the dial to '1' and pressed it to fix it.

Why "1"?

No reason. It's just something."

　We checked the island and found nothing. We headed to the next island. There was a sort of lookout tower on that island as well, which also had some sort of dial lock.

　Without understanding the reason, I set the dial to "0" and fixed it. There are seven islands in this sea, and six of them have the same dial lock.

　I chose the numbers '1', '0', '9', '6', '0', and '3' in that order. And on the seventh island, there was a large door on the slope of the mountain with six dial locks built into it.

'I suppose you want me to set it according to the numbers you chose on the six islands. Do you remember the numbers?'

Of course. I've got a word for it."

　I turn the dials from the top to the bottom. When I set the last number, the big door started to open.

　As I was about to go inside, I noticed something was there and took a big jump back. It didn't seem to let me through easily. Out from inside was the Titan Club that Metis had mentioned.

　It was a huge crab with a shell eight meters wide and scissors that could cut a rock in half. I continuously activated the "Crash Ball" and scattered D-particle vibration balls at the giant crab.

　The Titan club deftly bounces the D-particle vibration ball with two scissors. The D-particle vibration ball was deflected from its trajectory and crashed into a mountain behind it, radiating spatial vibration waves.

　Metis brings Elmore out of the shadows to join the fray. When he slammed the Titan Crab's huge leg with his immense spear, it bounced back against the sturdy shell of the leg.

　There are times when the Zekkai spear attack is very powerful and times when it is not. It is not yet known why this happens.

　I start warming up and filling my body with magic. In that state, I moved to the back of the giant crab with "Flash Move. With the image of crushing the carapace in my mind, I poured the magic power I had accumulated inside my body into my sacred sword, Gram, and swung its blade down on the carapace.

　The blade cuts through the shell and inflicts a deep wound. At that time, some kind of power flowed into the shell from the sacred sword gram. Then, the gravity on the shell where the power flowed into became dozens of times stronger.

　The image I had in my mind when I swung down the sacred sword gram was that it would crush the entire back part of the shell, so the back part of the shell seemed heavier.

　This caused the legs that supported Titan Club's entire body to deflect and stagger. I panicked and flew back to the ground and landed on my back using my 'airbag'.

　Shortly thereafter, the staggered Titan crab rolled over in a colon. The giant crab, which rolled belly up, flapped its legs but was unable to get back to its original position.

　The dorsal shell had become too heavy to get up. I activated my sevenfold activation "Blow Up Glaive" and slammed the D-particle glaive into the belly facing up.

　The D-particle glaive, exceeding the speed of sound, sliced through the shell of the giant crab, dove in, and exploded. The giant legs reacted with a jerk, then flopped to the ground and the huge body disappeared.