Small upgrade system

After reaching home, Sam quickly entered his home and informed his mother that he was back. Then went back to his room quickly.

Hina and Victor were talking with Alena about tomorrow's dungeon that they will be entering. They were pretty surprised by seeing Sam this much busy. They become surprised because Sam rarely got busy with his work. Before, previously, he was always busy in his sleep.

They think that something happen to him while they were in the dungeon.

While Sam's parents were busy thinking about him, he was busy with his research.

After freshing up, he started his research.

First, he tries to melt the rock with heat, tries to smash the rock with a hammer, but nothing happens to the rock. It's a shockproof, heatproof material.

Sam doesn't know what should he do with this rock. Suddenly, he remembers if he places anything in his inventory, his system will show its status.

Sam put the rock in his inventory and looks at the status details that his system shows him.

"

Nuclear rock (Red)

[One of the world's strongest materials. You can't break with just normal strength. You need a large amount of spiritual power of high-grade to make anything out of this.] "

" Oh, my god... I didn't think it's a legendary material and I need a large amount of spiritual energy to do any damages to this thing. Who the hell put a legendary material in the dungeon's floor, what is the purpose of this thing."

Sam thought in his mind. He knew nothing, and that was a headache for him.

He just lay down on his bed and looked at the ceiling. He just thinking about what should he do now, should he talk with his sister's teacher? But decided against it. Even she was good to his family, but he still didn't trust her fully.

Sam thought about something and started channeling his spiritual energy into the rock. This rocks a bottomless pit that just absorbs all Sam's spiritual energy. He didn't give up; he channels all of his spiritual energy to the rock.

Sometime later, Sam almost faints because of using all the spiritual energy, but he controls himself and stops channeling the energy.

A tiny part of the rock melted. After seeing this, Sam became thrilled. Finally, he did some damage to this weird rock.

" I... I think I need massive spiritual energy like D-grade or C-grade spiritual warriors have. Then I can damage these rocks." Sam thought while panting. He needs to recover his strength.

Sam put the rock in the inventory, and once again lay down on the bed. He became asleep as soon as he touch the bed. Because of channeling all of his spiritual energy, he became pretty tired mentally. He needs some good rest.

When the dinner was ready, Gloria came to his room and saw him sleeping. She tries to wake him up. She became busy because of this she didn't get to chance to talk with Sam.

Their brother-sister relation getting better. These few days feel like a dream to her. She gets the chance to improve her relationship with her brother. But happy days didn't last long. She needed to go back to her college and prepare for the Annual Warrior tournament.

Sam wakes up by hearing his sister's call.

" Let's go, Sam. Dinner is ready," Gloria told Sam.

" Ok sis, give a second," Sam said while he went to the bathroom.

After some time, they both came to the kitchen and sit down in their chair.

" Dad, ever you or mom find any legend grade or mythical grade loot in dungeons?" Sam asked his parents while they were eating their food.

" No, son. They are super rare loot. I think anyone can find them in A-grade or S grade dungeons," Victor became very surprised by hearing Sam's questions. He answers Sam.

" Ooh," Sam said while thinking something about the rocks. He didn't want to tell his parents or anyone about the rock, so he kept his silence.

" No, even A-grade monster didn't droop legendary loot that much. Only if you are lucky, you can find any legendary loot and I think if you can kill an S-grade or even higher grade dungeon boss (which is impossible) you can find mythical grade loot or material but I'm not sure about that because our 15 sage didn't tell anybody about their fight within in S-grade dungeons," This is the first time Alena answer Sam while looking toward him.

" Oh... okay. " Sam was pretty surprised by Alena's response. He didn't expect any response from her.

" So, only A-grade dungeons where you can find legendary loot, but then why do I find a legendary loot in an E-grade dungeon?" Sam thought and tries to find the answer.

After some serious thinking, he concludes either they don't know about the rocks or they didn't want to reveal this news to anybody.

" I should stop thinking about the Weird Pattern and rock. I don't have enough spiritual energy to do anything to damage or activate the rock, and who knows what will happen if I activate the pattern?" Sam thought and stop thinking about the rock and the pattern while finishing eating his food.

He placed the plate in the kitchen's basin and start walking towards his room. While walking he thinking about what should he do now. He got a legendary material and doesn't know what should he do with it.

He thinking about visiting the old man blacksmith. He wants to ask him if he can make anything from it. But on second thought, he should not reveal the rock.

What if the 15 sage knows from the start about the rock but didn't reveal it to the public? And what will happen if they find out that Sam has a part of the rock? What should he do then? He is not that powerful to face the sages.

So, he decided not to reveal anything about the rock.

He entered his room and directly lay down in his bed. He started looking at the news.

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