Tier 0, Level 5!

Energy stones could be used to upgrade military buildings. Moreover, they could only be dropped after killing wild monsters. Compared to wood and stones, they were more precious.

It was reasonable that they did not exchange energy stones for food.

"I only got 80 units of food, but I already got 1,000 units of wood and 300 units of stones."

"The amount of resources needed to upgrade the castle has almost reached half. It seems that the castle will be able to upgrade after a few more rounds."

Mike muttered.

Compared to the initial military buildings, the castle was also very important!

Upgrading the castle could strengthen the defensive power of the castle heart. The higher the level of the castle, the stronger its defensive power would be, and the harder it would be to destroy.

In the future, it could be upgraded to a town, city, main city, or even a kingdom or empire.

The earlier it upgraded its castle, the more confident it would be to survive in this foreign world.

At this moment, in the [world chat channel]

[Wow! Your speed is too fast. How long has it been? Five seconds? It's gone...]

[Sob, sob, sob. I only hesitated for two seconds. When I opened it again, it was empty...]

[There are billions of Castle Lords in this world. This is only 80 units of food. It's not even enough to fill the gaps between my teeth...]

[That's right. Not to mention 80 units, even 8,000 units of food would not be enough to satisfy the market. Let me ask you, boss, do you have any more food? I'm so hungry!]

[Yes, boss, do you have any more food? I'm willing to pay 100 million for one unit of food!]

[I'm willing to pay 300 million!]

[I'm curious about big brother Mike's initial unit. It can actually kill monsters in the wild.]

[80 units of food. How many wild monsters must it kill?]

[Begging big brother Mike for clarification?]

...

At first, they were still lambasting Mike for being a profiteer, but now, their style had changed. They were all curious about Mike's initial unit.

After all, he could take out so much food on the first day, which would definitely arouse the suspicion of the other Castle Lords.

When the food was put on the shelf in the [space exchange], it would display the name of the 'trader', so the name 'Mike' was naturally famous in the [world chat channel].

In an instant, millions of people sent Mike friend requests, but Mike blocked them one by one.

Friends, there was no need. After all, this was a world where all races competed for hegemony, and everyone wanted to be first.

At this time, Tyrell carried the corpses of a few wild monsters back to the castle.

His strength had also risen from tier 0 level 2 to tier 0 level 5.

How long had it been? It had not even been an hour. It seemed that he would definitely be able to rise to tier 1 before long.

Looking at Tyrell who was working so hard. Hence, he posted a message in the [world chat channel].

[The next batch of food will be sold in three hours. The price will be the same as before. The food is limited. First come, first served!]

[F*ck! Is this big brother Mike himself?!]

[Looking up at big brother's elegance at a close distance!]

[Big brother Mike, I only have three units of stones now. Can the food be cheaper... I'm just a little girl!]

[Little sister upstairs, it's better to wash up and go to bed early. You won't be hungry when you fall asleep.]

"Scoundrel!!"

At this moment, somewhere in the Otherworld continent.

A little loli with a dirty face and a long dress was digging stones with seven dwarfs.

She was reading the message on the chat channel.

The little loli was very angry and revealed two small front teeth.

...

Once this message was released, there were even more castle lords who requested to add Mike, but Mike ignored them all.

Soon, three hours passed, and the energy in Mike's body became stronger and stronger. Then, a golden light emitted from Mike's body.

Mike felt that his strength had doubled, and his physical quality had also improved a lot.

"This is an upgrade!"

After waiting for the golden light to dissipate, he immediately checked his personal information.

Sure enough, he had gone from tier 0 level 5 to tier 1 level 1.

Although he was still at the bottom level, it was not as if he was powerless. He finally had a little bit of strength to protect himself.

In the courtyard of the castle, there were also a lot of wild monster corpses. Tyrell had just returned.

"Tyrell, take a rest! You've worked hard!" Mike looked at the dozens of wild monsters in front of him and turned to Tyrell.

"It's not hard! It's Tyrell's duty to serve my Lord," Tyrell said very sincerely.

Mike went to collect the corpses of the wild monsters. A total of 300 units of food and 16 complete furs were harvested.

As well as a variety of monster materials.

Things like snake scales, wolf teeth, rabbit heads, and so on.

Mike did not know what these things could do, so he threw them all into the warehouse.

He also received 15 energy stones, which was a good harvest.

Of course, there were still no strange crystals.

He had collected one-seventh of the energy stones needed to upgrade the dragon nest.

However, compared to the castle, upgrading the latter was easier. He exchanged these 300 units of food for one.

His castle could also be upgraded.

Therefore, he excitedly opened the [space exchange] and put all 300 units of food on the shelves.

The information on the shelves was still the same as before

[One unit of food for one energy stone.]

[Additional exchange: 20 units of wood or 10 units of stone.]

In the world chat channel.

[It's been three hours, why isn't Mike putting food on the shelves yet!]

[Right, right, I've already prepared the wood, I'm so hungry now!]

[Hehe, I've been staring at it for three hours, I'll snatch it as soon as I have it!]

[Wow! Big Mike put 300 units of food on the shelves!! Hurry and snatch it!!]

...

Soon, the 300 units of food were all gone.

The warehouse in the castle was filled with countless wood and stones.

Mike counted the harvest.

Finally, it came out: 300 units of food had exchanged for 3,000 units of wood and 1,500 units of stones.

Including the 1,000 units of wood and 300 units of stones that he had obtained previously.

There were now 4,000 units of wood and 1,800 units of stones in the warehouse.

Both far exceeded the requirements for upgrading the castle.

Upgrading to an intermediate castle only required 2,000 units of wood and 1,000 units of stones.

Since he had met the requirements for upgrading, of course, he would upgrade the castle immediately.

[Do you wish to upgrade the castle?]

[Yes][No]

"Upgrade."

Mike chose without hesitation.

A dazzling golden light enveloped the entire castle.

In just a few seconds.

The golden light dissipated.

A slightly magnificent castle appeared in Mike's field of vision. Compared to before, the current castle was taller and bigger. Moreover, it did not look so old and shabby. Instead, it had become simple and unsophisticated.