Cade made his decision to go through with the cardboard equipment and raised them to become a strong equipment. It looked silly but with the growing potential, it was possible for them to become stronger.

After Cade made his decision, he registered online to get his license as an explorer. It was easy to become an explorer. All he needed to do was filled in the form online and waited for it to be processed.

Explorer mostly used a nickname for themselves much like a superhero name. Cade decided to use a nickname 'The Cardboard' due to his cardboard equipment. Luckily no one used that name and Cade did not need to think of using another nickname.

It took a week for his registration as an explorer to finish. During the one week he had, Cade bought himself some equipment as substitute for his cardboard equipment before the cardboard equipment can be used properly.

With one durability, it was impossible for them to make even one attack or defend. So, Cade decided to use other equipment first. He also needed to find out how much the increase will be when it leveled up.

According to the data shown by the system, in order to level up the linked equipment, Cade needed to use magic crystal. Magic crystal was expensive and Cade did not have much money on hand to buy any of them.

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The only way he can get the magic crystal was by getting it dropped from monsters. However, even that was hard due to his super low luck. He needed to work harder than anyone else if he wanted to become stronger.

A week later, Cade got his explorer license. With the license on hand, Cade can buy license to enter the dungeon available.

Whatever dungeons appeared; it was all belonged to the government of that planet. In order for a guild, clan or family to raid the dungeon, they needed to buy the license from the planet's government.

After they finished raiding the dungeon, 5% of their dropped items needed to be handed out to the planet's government as tax. No matter what planet it was, all of them applied the same rate of tax.

There were two types of dungeon license. The first type was the full ownership of the dungeon. With this license, the buyer had full rights to the dungeon. Other than the 5% tax, the government had no right to interfere with the buyer of the license.

Only the owner of the license and people he or she allowed to were allowed to enter the dungeon. If an explorer without permission from the owner of the license tried to get in, the license owner can do anything he or she wanted to that explorer and the government won't be able to interfere with their decision.

The second type was a limited time entry license. Just like the name suggested, the owner of this license can enter the dungeon for a limited time. The time varied based on their application. It can be days, weeks or years.

However, if someone already bought the full ownership of that particular dungeon, limited time entry license will not be available but if someone bought the limited time entry license before someone else buying the full ownership license, the license was valid until the time limit ended.

As Cade just started to become an explorer, it was impossible for him to buy the full ownership license.

Cade searched the Dineon government site for a dungeon with limited time license available and he found some. 90% of them were slime dungeon.

Slime dungeon was the most unpopular dungeon in the universe because the slimes were weak and harmless. Even if they got out of the dungeon, they did nothing to the environment. All they did was digesting trash and garbage. They were helping the environment more than destroying it.

There were even some people taking it as pet to help them destroying their trash and garbage. Some bad guys even used them to destroy corpse and everything else.

After browsing through the list of slime dungeon, Cade decided to take the grade E level 10 slime dungeon. This dungeon had five floors with all of them filled with grade E slime from level 1 to level 10.

Every dungeon had their own grade and level for their monster. It can easily be determined by any explorer using their system.

It was obviously better to raid a dungeon of the same grade as oneself as higher grade meant harder monsters and that was exactly what Cade did, choosing the right dungeon for himself.

Cade bought the license for a week of entry. He wanted to buy for longer time but unfortunately, he did not have enough budget for that. The location of that slime dungeon was quite far from his apartment.

Cade needed to ride the train for 5 hours or using the teleporter if he wanted to reach there faster. Again, with his budget, he can only take the train. Cade waited for 3 days more before he got himself the license to enter the slime dungeon.

Cade only had one week to hunt the slime in the dungeon and he decided to skip class for a week. Cade prepared a lot of things including food. With his budget, he bought many can food to last for a week.

With all preparation was done, Cade started his travel to the slime dungeon. Just like he planned earlier, he took the train and arrived at his destination in 5 hours.

The slime dungeon was located in an empty abandoned building near the train station. Cade walked for 10 minutes and he found the abandoned building. Once he entered the abandoned building, he saw the portal to the dungeon.

It was not the first time Cade saw a portal with his own eyes but this time, he saw it with the intention of getting inside. There were no one around because the slime dungeon was unpopular.

Cade took out his iron short sword and iron round shield he bought a few days ago. Both of the short sword and round shield were level 1 with 10 attack and 10 defenses respectively.

Cade wore his black hoodie and jeans and equipped the short sword and round shield. Once he finished equipping himself, Cade entered the dungeon.

"So.. it is not that much different with what was shown on the internet," said Cade. The dungeon was just a cave with monsters roaming around inside. Cade took out his torchlight and made way into the dungeon.

Monsters inside the dungeon will not respawn once they were killed. Once all of the monster inside the dungeon were killed, the dungeon will close by itself.

A minute of walk, Cade saw a slime happily bouncing around in front of him. They were known to be harmless but Cade did not know that they were friendly too. The happy slime went towards Cade and bouncing around him.

It did not seem to want to attack Cade. Cade saw the slime and he felt guilty of killing it but, he needed to level up and killing the monsters were the only way to level up.

Cade resolved his mind and swing the short sword towards the slime. The sword cleanly cut the slime however, the cut slowly healed by itself.

"Ah, that's right. I forgot that they had resistance against physical attack," said Cade. Before the slime abled to fully healed itself, Cade stabbed the slime core and breaking it.

The slime died and the system notified Cade that he killed a level 1 slime. No mention of the slime grade because it was a grade E dungeon and that meant all the slime inside the dungeon was grade E.

The slime evaporated and left nothing behind. That meant, there was no item dropped. It was not really a surprise to Cade because his luck was the lowest and it was impossible to get any dropped.

When a monster was killed, there were 50% chance that there was no item dropped, 30% dropped of magic crystal, 15% equipment, 4% skill book and 1% puzzle.

Someone with higher luck will have better chance of getting an item dropped. Usually, a party or guild will bring with them someone with high luck to help them easily getting an item dropped. All the drop obtained from monster had their value and will surely netted them some money.

Cade continued his exploration inside the dungeon and he met a few more slime. He kept killing all the slime he met and after his fifth killed, the system notified him of a leveled up. Cade was happy he leveled up. He got himself 10 stat points and he opened his stats to distribute them to his stats.

Since Cade potential was E grade, he will only be able to get 10 stat points for every leveled up. Someone of grade D will get 20 points, grade C got 30 points, B got 40 points, A got 50 points and S got 60 points.

While Cade looked at his stats, something crossed his mind.