Leveling Up By Surviving Alone - L.U.B.S.A Chapter 42

Once again, Ji Yeonwoo activated *Prey on the Weak*, and the saw was enveloped in a blue aura.

He continued cutting through the lower jaw.

From the top to the bottom of the lower jaw, he sliced through it all.

As he worked on separating the cartilage and jawbone with the saw, the aura of *Prey on the Weak* faded.

– The Watcher says it was 10.23 seconds.

– Considering the margin of error, it’s likely around 10 seconds.

“10 seconds… That’s pretty good, isn’t it?”

A skill that allows him to deliver powerful strikes for 10 seconds, with the strength increasing the more the target matches the conditions of a monster he had previously slain. Ji Yeonwoo now had a clearer understanding of *Prey on the Weak*.

After making full use of those 10 seconds, he successfully carved out the tough jawbone connected to the cartilage.

The shark’s jawbone, with the upper jaw cleanly cut in half.

It vaguely resembled a diamond shape.

It looked just like the jawbone fossil of a megalodon he’d seen at a museum filled with ancient fossils, only smaller.

Of course, unlike the smooth fossil, the flesh wasn’t fully removed, leaving it messy and uneven, which bothered him.

“I kind of want to see a clean jawbone now.”

So, he decided to clean it up.

He removed the gums one by one.

Inside the gums were small, unerupted teeth, lined up like a row of soldiers waiting for their turn. Of course, since the bull shark was dead, these teeth would never replace the old ones, but Ji Yeonwoo decided to keep them. They were small, large, and sharp, and he thought they might come in handy someday.

– The Watcher says it’s too gross.

“…Yeah, it is.”

What Ji Yeonwoo was doing could be described as dissecting the gums to extract dozens of teeth and then peeling off the gums. Even without the Watcher’s comment, Ji Yeonwoo found the task unsettling.

“But there’s no other choice. Who knows when they might be useful?”

– The Watcher agrees that it’s a valid point.

After removing all the gums, he had collected over a hundred teeth.

The shark’s teeth, sharp and shaped like tetraports, ranged from tiny, fingernail-sized teeth at the bottom to palm-sized teeth that could replace the original ones.

In any case, the jawbone was now fully exposed.

The ivory-white, smooth, slightly yellowish jawbone of the Rift Bull Shark.

Even though it was a juvenile, its size was nothing to scoff at.

“Yeah, this was the lower jaw.”

Ji Yeonwoo chuckled and ran his palm over the bone.

It felt cold, with the hard enamel texture unmistakable under his touch.

This was the very same lower jaw that had nearly torn off his left arm.

If it weren’t for his suit’s tough elasticity and the bamboo raft debris, he would have certainly lost the limb.

“But I won, didn’t I? Hehehe!”

The Watcher chimed in.

– The Watcher says it was a terrifying shark, but he managed to catch it. That’s impressive.

– They add that since he killed a B-rank monster, he can’t really be considered an F-rank anymore.

“Really? Hmm! Should I display this as a trophy to celebrate breaking out of F-rank?”

But that would be meaningless.

Just because he overcame one hurdle, what was there to display or celebrate?

He was still the weakest in this world.

He had to consume everything and make use of every resource.

In that sense, this massive jawbone could also be put to good use.

“Maybe I could attach it to the front of the raft to make it look more intimidating…?”

He quickly shook his head.

If he attached this heavy thing to the front of the raft, it would tip over and sink.

Besides, since it was cut in half, that wouldn’t work. If he removed the joint connecting the upper and lower jaws, it would end up as four separate pieces.

The jaw, now in four pieces.

Each piece was about 1.7 meters wide and 0.5 meters tall. Well, the lower jaw was taller and thicker than the upper jaw.

“I could use one of the lower jaws as a shield.”

If he cut it properly, it could serve as a buckler large enough to cover half his body.

It was quite heavy, but Ji Yeonwoo had grown a lot since coming here, so he had the strength and stamina to carry it around.

He picked up one of the four jaw pieces.

The joint part resembled a handle, so he lifted it from there.

“It’s still heavy.”

It probably weighed around 50 kilograms.

Even though his strength had increased significantly, it was still a struggle to lift.

“Now, it’s a matter of how much to cut to turn it into a shield…”

Ji Yeonwoo carefully examined the cut surface.

The jaw was a three-dimensional structure.

Surprisingly, the straight part extended over 1.5 meters. After that, it curved, and if he used the curved part well, he could make a slightly pointed shield.

‘I could even use the part with the teeth to strike.’

As Ji Yeonwoo was sketching out the blueprint for the shield, a system message chimed.

– It is recommended to refine this weapon.

“……Weapon?”

Ji Yeonwoo was startled.

How was this a weapon?

“It’s shield material, isn’t it?”

But then it hit him.

Ji Yeonwoo wasn’t holding the thin, long part and lifting the jawbone to figure out how to make a shield.

– The Watcher says it looks like he’s holding a greatsword, amazed.

That’s right.

He was currently holding a greatsword made from the jawbone.

“Ah… Why didn’t I think of that?”

He lifted it above his head and swung it.

Whoosh—!

The wind howled, and dust scattered as the blade tore through the air.

Of course, the tip was bent like the letter “ㄱ,” but if he carved out the bent part and sharpened the lower edge of the jaw…?

“Wouldn’t that make a greatsword?”

– The Watcher asks if he knows how to make a sword.

“Not really. But the system is recommending it. And, well…”

Ji Yeonwoo’s idea was to wrap the part he was holding with shark skin, cut off the bent part, and sharpen the blade.

“It won’t be razor-sharp, but as long as it has the shape, it should work, right…?”

The blade might be dull, but it would be over 1.5 meters long.

If he had such a weapon when fighting the bull shark, he could’ve easily taken it down with a few strikes.

– The Watcher says it would be useful against large enemies like the bull shark.

“Right? Should I give it a try?”

– The Watcher says it’s worth a try!

Hearing the Watcher’s confident words gave him even more courage.

There was no time to hesitate.

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Ji Yeonwoo immediately began the process he had described.

First, he used the scissors from his multi-tool knife to cut a long strip of shark skin, about two fingers wide, and wrapped it around the handle. The handle, originally 2 centimeters thick, became 3 centimeters thick after being wrapped in shark skin.

Then, he rubbed the shark skin against the jawbone.

It didn’t scratch.

But when he activated *Prey on the Weak*, the shark skin turned blue, and the lower part of the jawbone began to sharpen and shine.

“It’s sharpening.”

That was a relief.

After shaping the blade, he could at least sharpen it a bit.

Now, he switched the multi-tool knife back to saw mode and carefully carved out the bent part, shaping it into a blade.

Thud.

As soon as the blade shape was complete, Ji Yeonwoo slumped down.

It had taken 12 uses of *Prey on the Weak* just to cut it.

“I need… mana bamboo shoots!”

Ji Yeonwoo ate a floating mana bamboo shoot.

Kim Kkokko, who was brooding over her eggs, glared at him but didn’t say anything.

She knew Ji Yeonwoo was working hard on something.

As he chewed the mana bamboo shoot, Ji Yeonwoo approached Kim Kkokko and handed her another one.

“I’m going to cook a pot, so eat this and take good care of the little ones, okay?”

Kkokkko-dak—kkok!

“Hehehe.”

A mana bamboo shoot restored 20% of his mana.

After eating five of them, his mana was fully replenished.

Having finished all the mana bamboo shoots, Ji Yeonwoo went back to harvesting more.

The bamboo was growing so abundantly that even if he picked twenty shoots, it wouldn’t be a problem.

In fact, it needed to be thinned out a bit.

While boiling the next batch of bamboo shoots, he continued working on the sword.

After shaping the sword, he carefully sharpened the blade with the saw. Just making the blunt jawbone into a sharp point was exhausting, but he took breaks to recover his mana and kept going. Once all the mana bamboo shoots were prepared, the work sped up. After eating more mana bamboo shoots and fully recovering his mana, he used *Prey on the Weak* on the shark skin to evenly sharpen the blade.

He didn’t expect it to be sharp enough to cut falling leaves.

In fact, if it were too sharp, it wouldn’t transfer force well. As long as it was sharp enough to chop through something when swung with force, and sharp enough to prevent someone from stepping on it barefoot, that was enough.

Ji Yeonwoo managed to sharpen it to that level.

After eating 20 mana bamboo shoots and working until it was time to sleep, he finally completed what he wanted.

“Phew!”

A massive sword, 1.7 meters long, 50 centimeters wide, and 10 centimeters thick, was now complete.

The back of the blade was adorned with palm-sized shark teeth, arranged like dinosaur osteoderms, making it look impressive.

He lifted it once.

It was too heavy to wield with one hand, but with both hands, he could swing it, albeit slowly.

– This object can be registered as your creation.

– Would you like to register it as your creation?

“……!”

Ji Yeonwoo was surprised.

He had thought about making a sword, but he hadn’t expected it to be registered as a creation.

And so, following the combat bamboo raft, another creation was completed.

– Please name it.

“I’ll give it a cool name.”

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