"What is this box?"

My father opened the chest, which was said to be divine, and came out. One more box inside. I looked at it seriously to my hand.

"Aren't you going to use it for something?

"I won't open it even if I try to open it..."

"Don't you have the skills to make this easy to understand?

"Speaking of which, I had skills in appraisal. Assign Skills -"

After a while, my father improves his skills up to the grand appraisal and re-appraises and sees things like boxes.

Turns out it's a "lockbox" thing.

"I mean, this, was there a hidden room in that boss's room up there, too? That's a lot of fun."

"So, what do we do? I got something like that, and it's time to try?

"No... not yet. You'd better defeat Zako's demons."

"Then we're going out. But... weren't you tired?

"It was... let's just go outside once and discuss what we're going to do today"

The two of them go outside.

I decided to check the contents of the lockbox before consulting them.

"Are you okay with me opening it?

"It should be. Which, the contents.."

My father stuck his hand inside that lockbox, which is a magic box, and took out what was inside.

That's a totally unrecognizable demon nucleus.

He instantly appraised it and his grin spilled unexpectedly at its awesomeness.

"What was it?

"The SSS-ranked Demon Nucleus."

"Eh, what's that?"

"It's a demon nucleus with 100 power of S-rank demon nuclei."

"All-you-can-synthesize skills?

"Yes, you will."

"Ho... what do we do, what do we do?

As a result of the discussion, the two of them will talk about not diving anymore this day and trying their skills with all sorts of things.

The two of us used the SSS ranked Demon Nucleus that came out and changed its status dramatically.

______

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"Hmm, pretty powerful."

An orga that remained intact collapsed.

No, it looks intact, but it bleeds out of a hole called a hole in my face.

"... what have you done?

"Yesterday, I learned gravitational magic, didn't I? I only weighed my brain so rapidly."

"Well, I don't think I've changed what I've been doing."

"That's not true. It's about four shorter itineraries. I'm a quarter as tired as I am."

"But I'll do my best, too, so you don't have to do it until I'm tired."

The day after completing a hidden room mission, the two of them were trying the skills they had acquired quickly from one end.

My father and mother, both of them extremes all basic attribute magic. In particular, my father has acquired the skills of soil, pole, mindset, pole, rock, pole, and iron and pole synthesis and "pole of gravitational technique".

In addition, he synthesized fire, iron, rock, etc., and even acquired the skills of "Pole of Steel Art".

Based on these two (because of normal skills, they are no longer used once, so they are rebuilt over and over again), they create a variety of skills. Now that we're running out of SKP, we're in the middle of a level increase. This is the first time today, by the way.

"Yes, next mom, go ahead"

"Yeah! I wonder what will happen..."

She unleashed the strongest, most possessed skill in the present situation. The object that came out of the water swallowed the demon's easily and hardened at that moment. I'm drowning him.

"That's quite something."

"You're afraid to force me to drown... But not inefficient?

"I knew you were right. I don't know. This is..."

When they easily defeated the demons in all the rooms, they began to talk to each other in the central room.

"I wonder what's going on down here?

"Perhaps you could give it a try. It's very possible that we're back together."

The two frightened the floor and went into the hidden room. There stands one potpourri and a treasure chest as a matter of course.

I opened it and looked, but there was nothing in it.

"Uh, won't the crate come back to life"

"What about the challenge?

What do you think?

Push the box in the same way as before.

A message poured into their heads.

"Oh, this is going to start."

"Does that mean you can get paid as many times as you want?

"Come on......"

In the seconds we were talking like this, my father wiped out all the demons in order and was able to earn the same class of rewards as last time.

"I hope it's SSS ranked Demon Nucleus again!

"Anything else would be fine.... Let's go outside."

Quickly, open the contents of the lockbox.

It seemed like there was only one potion in there this time.

"... this is the medicine that my dreams gave me when I came to this world, immortality, resurrection of the dead, anything I could do until I was rejuvenated, right?

"Oh, sure it is.... but appraisal doesn't show anything just because a line of hatena marks is lined up"

"You can see it normally up to the Epic level, right?... you mean an even higher stage?

"This world should be at the top of the epic class. In other words, is this a substitution outside the standard..? What the hell is that kid that mass-produces that stuff?

My father sweated cold. More than I expected, I finally thought my son might be a jerk.

But my mother answers this as she nicks.

"Oh, my dad and I are so proud of each other..."

"You just tried to say my daughter. If she'd listened, she'd have swollen her cheeks."