The upgrade materials are ready.

The 6 Level 1 Elemental Cores are auctioned directly from Rondo City, and taking things is not an uncommon thing, and it is easy to find in some elemental springs. The 6 Elemental Cores cost a total of 20W gold coins, these 12W Elemental Coins.

All the materials come together and come to the Demon King's Bedroom.

Enter these materials into the Soul Crystal on the top of the hall.

The football-sized soul crystal rotated and exuded a brilliant blue luster, absorbing 30 Hearts of the Brave and 6 Tier 1 Elemental Cores.

This is the link that connects Roy and all his men,

From graduation to the present, it has lasted three months, and his Demon King City has been upgraded for the first time. This upgrade speed is already very fast among the Demon King. The average length of time for a trainee to level up to a junior boss is two years.

Yumia appeared, confirming the upgrade of Demon King City for the second time.

The sky of Demon King City darkened, and the surroundings became dark, and finally even the light emitted by the burning torch disappeared.

There was a dead silence in my ears, and I couldn't hear anything.

Roy tried to move his body and touched the two cat girls next to him.

But he couldn't receive the feedback signal from his body at all, as if he was in a void.

I can't see light, I can't hear sounds, I can't smell things, I can't touch things, I don't even feel a sense of time, and I don't know how long this state lasts. Perception gradually began to return, and the spacious hall reappeared in Roy's field of vision.

The two cat girls beside her looked a little dull ahead.

Roy touched them and they didn't respond.

After more than ten seconds, the two cat girls suddenly meowed, looking left and right in fear.

"Young Master, what happened just now?! I couldn't feel anything, it was scary. ”

"Me too, this should be a normal phenomenon for the upgrade of Demon King City."

Roy called out Yumia and looked at his dashboard.

[The 101st-484250 Demon King]

[Name: Roy]

[Race: High Demon Race-El Clan (Purebred Bloodline)]

【Demon King Level: Elementary】

[Combat Effectiveness Assessment: 624]

[Existing building co-ordination: Demon King's Bedroom, Gathering Hourglass Lv1, Summoning Room Lv1, Magic Pool Lv1, Research Institute Lv1, Enchantment Room Lv1, Magic Farmland Lv1 (60 acres), Residential Area, Factory Area. 】

[Population unit: 3423/15700]

[Demon King City's total asset evaluation: 14w element coins. 】

[Demon King Upgrade Requirements: Demon King's combat power is more than 1000; The total assets are assessed at 1 million element coins; Population of 2w or more; 100 miniature hearts of the brave; Level 2 and above, 1 elemental core of each of the 6 elements. 】

Combat effectiveness is directly increased by 50%.

Population units doubled.

Finding an increase in combat power, Roy examines his body.

This inspection immediately revealed that his mana and mental power had been buffed, and the total amount had increased by at least 50%.

The total amount of mana is divided by the level of the demon king, and each level is divided into 6 grades: lower, lower, middle, upper, upper, and peak. Before the upgrade, Roy's total mana was mid-level Trainee Demon King, and under the upgrade buff effect, his total mana increased to the peak of Trainee Demon King, but it did not reach the minimum mana value of the primary Demon King.

This is because he leveled up too quickly.

Under normal circumstances, the 2 years of the Demon King's apprenticeship to the primary level is enough to accumulate mana to the minimum total amount of mana of the primary Demon King.

Roy completed the upgrade within 3 months, and the mana accumulation naturally did not meet the standard.

After discovering this, Roy decided to take a little more time to meditate and increase his total mana.

In addition to the increase in the total amount of mana, the quality of mana is also enhanced, with a gain of at least 10%. This means that the same magic power casts a spell, and the magic damage is increased by 10%.

This team of Roy is a super buff, and he eats entirely by magic.

The three of them left the hall and walked out of the Demon King's Palace.

The Demon King City outside the dormitory has undergone great changes, and the original 1000*1000 crowded and narrow land has been directly expanded to 5000*5000, and the usable area has increased by 25 times.

It's all open space all around.

The minions ran out and spread their joy in the vast space around them.

Previously, due to the expansion, the 1000*1000 meter range had long been crowded.

Mugg let out a whimper, and jumped into the clearing to reveal his original form. The massive 30-meter-long body appeared, making the low-level servants around him tremble in fright.

"Woo woo woo~"

Mieg let out an eerie dragon groan.

Roy was embarrassed to hear this, and directly threw a meteorite, a meteorite with a diameter of 5 meters fell from the sky and smashed on Mugg's skull.

"Oops......"

Mugg screamed, rolling on the ground with his head in his hands, grinning in pain.

"Boss, your magic attack seems to have become stronger, and the meteorite didn't hurt so much before."

"Well, make me human."

Migue incarnation.

Roy opened the skin system and looked at it, and finally selected the Truth Institute skin, and asked Miug to share the knowledge of the dragon inheritance.

Mug himself doesn't understand it, but the knowledge base of the dragon inheritance can only be described as massive.

Most of this knowledge is useless, such as local history and geography, and what is useful is only magic.

After the upgrade, the first thing Roy had to do was to recruit people in the talent market. Previously, due to population restrictions, the manpower gap between the Chamber of Commerce and the Green Beast Mercenary Group had not yet been filled, and the research institute and factory were also in urgent need of manpower.

For a week, Roy was all busy recruiting.

With the ample supply of funds from the Migaka Chamber of Commerce, in just one week, the population unit of Demon King City rose to 1w. The research team has expanded from a few dozen people to 100 people. There are many different teams according to the type, and each team has its own tasks.

The 20w+ Elemental Coins are spent, and the Elemental Coins accumulated by Migaka during this time are exhausted.

After upgrading to the primary Demon King City, the expansion of the city still needs a large number of element coins to support, and it can only be slowed down first.

Busy until Saturday.

I didn't go back for two weekends in a row, and on Saturday night my mother called to complain, and after half an hour of Leoy's teaching, Roy repeatedly promised to go back before stopping.

Arrange things properly, and at 6 o'clock, the three of them will teleport to the magic capital, and it will be 7 o'clock when they return home from making a flying machine.

Little Amy ran over and threw herself into Roy's arms, unable to survive.

After the family had dinner and chatted for a while, Roy played with little Amy.

The two cat girls are called back to the room by Helena.

in the room.

Helena stood in front of her two daughters, hunched up.

The two cat girls sat on their knees with their hands on their knees, their backs straight.

"How are these 3 weeks?"

The two cat girls looked in other directions with red faces.

Helena's eyes lit up.

"Keep up the good work, Lorianne, get the rope out from under the bed."

"Yes." ……

I hadn't seen Loy for three weeks, and little Amy missed Roy so much that she stuck to him until she fell asleep.

Return the little one to the room.

Loy opens the Truth Society's chat window, where Alice and Stuart are arguing over a magical issue.

Roy interjected.

See him appear.

Vivien immediately asked:

"Are you coming back this week?"

"Guess what~"