After getting the explanation from Arba, Kai proceeded with his training. Of course, Arba's training came first. He tried to do everything possible according to Arba's instruction.

He wanted to finish it as soon as possible but to no avail. When he tried to control his Magic, he ended up either letting it go like usual or exploding.

Obviously, Arba didn't have any confidence in Kai succeeding in one day. Her prediction was around thirty days for the minimum control.

After Arba's training during the day, Kai needed to face another hellish training that drained his mental energy. He had experienced it during his stay in the Oni Village, and his impression remained the same. Mind Magic indeed exhausted him even more than physical training.

Kai, of course, didn't complain and accepted all the teaching. The knowledge completely destroyed his perception of the world. It turned out that the world was more complicated than he thought.

Before the apocalypse, humanity had more than two hundred countries. But in the past, there were around the same number of species. Of course, it was just in a larger category.

For example, Birds would be a big country and have one language. But if one traveled a bit more into them, they would realize they had many traditional languages such as Eagle Language, Pelican Language, and so on.

What Aston taught him was the big language so he could understand and talk to them. Although it also meant he understood their speech from far away, he could command them.

At the same time, he realized that this would change the perception of the magical beasts. Just like him, the Magical Beasts wanted to survive. When he killed them, he kept hearing them letting out a sound. And by learning their language, he would realize that they didn't want to die as if begging for his forgiveness.

The pain, despair, and struggle would gradually influence his mind. Aston even specifically warned him because he didn't want Kai to go crazy.

Surprisingly, Kai's answer remained simple. He told him that he was a crazy bastard because normal people wouldn't be able to take on all the noises that kept ringing in his head.

He could also block their voices with Sound Insulation Magic in his ears, preventing their voices from coming to his ears.

After several considerations, Aston decided to trust him and taught him all the things to the best of his ability.

The two training sessions had finished, and he still needed to do one last thing. It was to increase the number of Magic Particles he could absorb inside his body.

Kai learned the method and showed improvement immediately. Even Kai himself was surprised by the result. Within three months, he felt like he would have gotten the same amount as his full power. This way, he didn't need the only thing that shared the Magic Power inside Tasha and let her have the Magic Power permanently.

Roselyn and Sofia also started their training. Although he didn't know what kind of training they endured, he knew they didn't complain and kept doing what Leah and Devain wanted them to do.

To his surprise, Kai often saw Leah and Devain coming over to help him with his chore and other things while trying to talk to him politely.

This continued for a few days until Kai suddenly controlled his Magic Power to bend a little.

Arba dropped her jaw and told him it was impossible, showing him the evidence. However, Kai had done so many self-studies in his life, so training this new type wasn't that big of a deal for him.

That was the reason he could keep up this fast. Understanding that Sound Magic was rather scarce in the world, Arba ended up accepting the explanation while thinking of him as a Protector also played a role in his talent.

He also managed to understand a language within one week which was comprehensible.

Kai always checked Sofia and Roselyn during break time, asking if they were okay. Since it was the only time they spent together, Sofia showed him her improvement day by day as a way to tell him that she enjoyed the training since he could get stronger.

Roselyn was slightly shy about it, but she also showed him her progress while expressing her gratitude for Kai. The prospect she would receive in the near future would be far bigger than she expected to the point she might become one of the respected figures. And it only came within one mission.

Kai truly changed her life and she would eternally be grateful for what he had done. The pay for the extortion he pressed on her far exceeded the mental stress she got at that time.

Kai only brushed it off, saying it was the result of her choice.

She even asked Kai whether he wanted to increase the number of his harem, to which he rejected the idea because he already had too many. Of course, a portion of it reached Arba's ears and she kept nagging him to take her.

Kai simply ignored her and went with his own training. It was no different than when Sofia first joined their group, so he had grown accustomed to it.

He enjoyed the little time he spent with Leah and Devain more. After all, he wanted to understand what they felt and their vision about this place, not from Arba, who understood it all, but from someone close to his age.

To his surprise, he found Devain was only 19 years old while Leah was 18 years old. And he became a bit down when these young people were more powerful than him.

Leah and Devain didn't reject him for two reasons. Unlike his indifferent attitude back in United Asia, Kai had become a bit more talkative, so the conversation kept going. He even told them what it felt like to live outside this place.

They kept exchanging their views on different matters, creating a small bond of friendship between them.

Seeing this progress, Aston simply smiled and didn't intrude in their personal space. He even went all the way to Arba, asking her to tone down her attitude, to which she reluctantly agreed.

The days continued just like that. He continued his training while thinking about everyone he left behind in the US Base.

Kai didn't know about their situation, especially how Michelle and Ayaka got accepted to stay together with his parents. His family was very open with it and treated them like their daughters already.

Kai himself took quite a long time with them, so his parents just thought of them as their daughters-in-law even without marriage, saying it was their feeling, not the legal thing.

Meanwhile, they kept getting updated by Evan and Isabelle's situation. Due to them living together, the two families seemed to get even closer. Even the couple had already thought about their marriage.

The two agreed that they would marry each other after graduation with only their close relatives as well as their groups.

When they knew about it, Ayaka and Michelle kept pressing Evan for an answer and asked him about the wedding and so on until they were satisfied.

No wonder they were that hungry. Kai asked them to wait for such a long time even though most of the students had married during their school days. Even Tommy finalized the deed with the former student council president.

Due to him winning against the four top groups, Laura became more open to Tommy, telling him the reason why she was that strict when it came to him. Tommy realized he had misunderstood her the whole time.

After that, their relationship grew closer, and they decided to marry two months later. Unfortunately, Kai couldn't attend them.

But what made the two groups surprised was the bomb dropped by Eva, Eve, and Nicholas. The twins didn't want to get separated and decided to take Nicholas's advance. They never even realized the three had progressed that way.

The group obviously sent their congratulations and blessing since their bonds had been finalized. Although they didn't know about their marriage, they were already engaged.

Michelle and Ayaka were slightly jealous, but they didn't say anything because they believed in Kai.

Tasha was also informed about this and sent her congratulations only. She had the precious six months of training with Ria Ross as her mentor, so she couldn't waste it.

The others could understand it and respected her decision.

Ria only told Evan that there would be a pregnancy medicine ready when they indeed married after graduation. Evan and Isabelle thanked her, even though both didn't have the intention of having a kid first because Evan and Isabelle might need to go to the battlefield to help Kai.

They simply wanted to thank Kai for everything he had done for them.

Only Shirotsuka Sanae, who was sulking the entire time, wondering when she would get a husband too and saying something like, "I am eight years older than you guys, but I haven't even found a single person." Or "It's not like I'm jealous about your relationship. I'm going to choose the best husband for me."

They consoled her while teasing her of course. Even Yuki, her best friend, came from time to time to check on them.

Still, like how Kai worked to the bone to get stronger, Michelle and the others kept practicing their skills, so they didn't get thrown away by Kai's prowess.

…

Finally, three months had passed. Kai smiled and looked at the window from his small room and got ready to leave.

After packing up his stuff, he opened the door, finding Arba, Aston, Devain, and Leah in front of his room. They lowered their heads politely as Aston said, "Congratulations for completing your training, My King."