From time to time I looked at the map and went far enough through the dungeon.

"- Mm."

Roulier's ears move tingly.

"There he is."

At the same time that the terminal words sounded, the heir (Tsugutsu) set up Tsuruhashi.

I don't even have to ask back what happened.

"How many?

"One. Over there."

The two complete the confirmation in a short exchange.

I was well prepared for my heart this time.

Fight if you have one opponent other than the Big Poison Spider. Withdraw without hesitation in other cases. I had arranged that beforehand.

Only the Big Poison Spider, as its name suggests, is poisonous, so he's not willing to fight whether he's alone or not.

Ahead of the gaze of the two waiting. Shadows shook from across the rock wall where the serpentine passage cut off.

The heir looked like a pig at first. A walking creature on all fours with brown body hair.

They also notice their heirs there, and they honk to intimidate them.

So the heir gets to the answer. A rat. That was a rat. A giant rat the size of a pig. Only one species of mouse monster appears in "Demon Mine Cave" and is a Big Rat.

"It's Big Rat! Let's do it!"

Keep your heir out of sight of the monster, and speak up for Lourier. At that moment, as if his voice had been a signal, Big Rat ran into the two of them.

Is that monster dead as well as goblins, Big Rat runs away without even showing off.

And that speed. Fast. It was a speed comparable to goblins. If you hadn't been through a goblin rampage, you might have panicked again. But I'm going through it once. Now I was calm.

The heir takes a step forward.

And as it was, I shook down the timing of the Dompiciari, the tsuruhashi, in the brain weather of the big rat that had penetrated me.

"- Shit."

Make a blunt noise and the tip of the tsuruhashi wears the ground. I took it off - no, I got hit.

A big rat who flicks herself at a right angle and scratches the tsuruhashi bypasses to avoid her heir without killing the momentum. And on my way - it's Roulier.

"Mm."

Roulier intercepted without fright. Swing Scoop to power as he did to Goblin. And the blow that swung through the side flashed beautifully punched the mouse in the face.

- But light. As was the case with goblin opponents, her blow did not do much damage. The opponent was a little frightened.

But a little frightening was enough.

- Zugotchu! and the irrevocable sound of the creature, which must not be emitted, rang from the belly of the big rat.

The belly had a deep penetration of the heir's black boot toe.

Big rat retreating according to the shock and pain that pierces his belly. But I will not tolerate the heir. Another blow. Now put that face on it and swing your right leg out as if even a soccer ball would kick.

Rats that can't move well with damage to avoid it have no way of exchanging. The sound of meat and bones crushing echoed, and the feeling vividly conveyed the legs of his heirs.

And - Big Rat stopped moving.

Walking over to the Big Rat without breaking his guard, poking his body with his leg to confirm, and just convinced that the Big Rat would not move out again, his successor finally exhaled, uh-huh.

Is that a living result of your last reflection? Or simply because Big Rat was weaker than Goblin? Or both. Whatever it is, it doesn't change.

The second monster fight was a complete win.

- You did it.

I was the heir who said that as I looked back to Rourier - but I don't have a girlfriend there.

I thought I'd look around. It was too small to see, but Roulier was kneeling at his heir's feet and touching his black boots with a pepper.

Roulier leaks a questionable word when he looks back at his heir's face as it is.

"Tsuguto, yesterday's crap"

to the questions sounded with that less discouraging voice,

"... you seem to have noticed"

The heir laughed nicely.

And to the words of such a heir,

"Yes, as I have noticed"

I made a terrible discovery, and Lourier nodded mysteriously.

Did you feel better about that attitude of hers, the heir darkens her grin. And when I accidentally lifted one foot up, I gently slapped a ton of it and the ground with its toes - so that I would when I didn't get my heel in my shoes.

Then the noise sounded like a rock slapped with a blunt instrument rather than a claw tip.

Ooh! and Roulier is amazed at the big picture, and his successor becomes more and more adept at the way it is.

The heir kicked and killed the Big Rat with just two shots. Even though he leveled up and gained some muscle strength, he wouldn't have been able to imitate that very much until yesterday. It was these black boots he was wearing now that made it possible.

I stopped by the day before to see if I could buy at least one of the knives, an item I got at an armoury store near Adventurer's Guild.

Made entirely for adventurers, this boot is a durable dish in luxurious use of rare monster leather, but the biggest sale is not there. I don't know at first glance, but the tip of this boot is embedded in an iron plate. The iron plate itself is for improved durability. "It's okay to be stomped by an oak" is what the arms store owner said, but that didn't matter to my heir.

To him these boots are not protective gear. It's a weapon. The nail tip part where the iron plate is planted becomes a fine murder weapon if used differently. Beat the iron blunt instrument against your opponent with the muscle strength of your leg, which is said to be three times your arm. Its power is a vicious word, and it has already proven that it is not as safe as a monster.

And even more notably, the price of the boot. It is twenty-eight thousand five hundred larks. Naturally, but not at the price my heirs can get their hands on. So how did you get it? The answer to that is - trade.

A successor eagerly searching for cheap equipment wore them - rare shoes that do not exist in this world - and after negotiations with the shopkeeper who was intrigued by the sneakers, a brilliant, less than 5,000 yen a pair of sneakers was exchanged for black boots with a price of nearly three gold coins.

Moreover, the bargaining power of his successor, who was not tired of it alone and allowed to attach three throwing knives lowered from his waist as well, is arguably quite something.

That said, is the throwing knife expendable or the price is like free compared to boots. Rather, a leather belt with an integrated sheath that holds a knife. This one was more expensive. Of course, the price is not very irrelevant because it is also a free item.

"... wow. Yes, it is."

"Right. I actually feel like I've tried it and it seems pretty usable. [Physical] If you think about combining skills, you might be stronger than Tsuruhashi."

While in conversation, cut off the tail, which is the Big Rat crusade proof site, and pack it in the larger bag that was ready. When that work is done, there will be no more use here. They proceeded further into the back of the dungeon.

Not so long ago, Roulier captured a new monster.

Also a big rat. It was one, so I intercept it the same way.

To a monster that has thrust like an earlier baking turn, not a tsuruhashi - but now a kick.

Whether that was good or inevitable, a kick kicked in the face of the big rat at the counter and a blow settled him casually.

"That was easy."

"... rakushi"

There was nothing like soaking in the aftertaste, so I just retrieve my tail and go further.

Make sure to check the map every time you divide, and mark the aisle on the exit with a tsuruhashi, just in case.

That's how it goes, Roulier captures the monsters one after the other. If one fights as per policy, if more than one, gently turn back the way you came, and follow another path. In doing so, he tailored three more big rats. This brings the total to five. He sinks with a kick blow from his heir without replacing him.

It went well. There's really nothing wrong with that so far. The only thing that worries me is that I won't level up after finishing five big rats.

Maybe you're too weak in Big Rat to get much of the experience you need to level up.

Don't worry about that.

"Experience reached a certain amount"

"[Physical Lv2] has risen to [Physical Lv3]"

The moment I finished the sixth big rat, the voice of [System Log] echoed in my heir's head.

This is the first skill level increase. Probably the result of using a lot of kicks. This [physical] skill development also has the aim, and the heir chose the elusive weapon "Boots that can be used to attack”. It was worth it.

The next monster to show up, another big rat.

Successors test the effects of [Body Surgery LV3] on their Big Rat opponents.

That said, it's not the same thing I've ever done. It merely releases a kick at the counter as it progresses.

"-... awesome. So different."

There was such a clear difference between [body surgery Lv2] and [body surgery Lv3] that I accidentally spilled it, looking down at the big rat that it stopped moving.

The body moves naturally as it has been optimized for kicking movements, and the kick is horribly sharp.

I can't just clean up the word, get the hang of it. A strange feeling that further pioneered and clarified that feeling. The increase in skill levels was far more dramatic than my heirs thought.

When something that was going well turned to stone and kicked and butchered the ninth Big Rat in total as it gained momentum -

"Experience reached a certain amount"

"We're up from Lv9 to Lv10."

My heir's level rode double digits.