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....

"Alright, there's no need to be so surprised. You might all reach that level someday. For now, Rias, you should start thinking about how to master your [Power of Destruction]. I'll start by enhancing your magic power." I said casually.

"But, uh, try not to be too surprised..." I added with a mischievous grin.

'System, use the [Magic Power and Physique Enhancement Card] on Rias.' I mentally instructed.

[Ding! Use successful!]

The instant the system confirmed the use of the card, a terrifying surge of crimson magic power erupted from Rias's body. She was bathed in a powerful aura of life force, constantly strengthening and improving her.

Her already formidable [Power of Destruction] was rapidly growing, causing everyone except me to stare in disbelief.

After an indeterminate amount of time, Rias opened her eyes, dazed, as she realized that she had Almost reached the level of an Ultimate-class.

"Kyoya, wha-what did you do to me? My magic power has almost reached the level of an Ultimate-class! Am I dreaming?" After feeling the immense power and physical strength coursing through her, Rias finally accepted the truth.

"Didn't I tell you not to be too surprised?" I said, feigning seriousness.

"How can I be calm in a situation like this? This is a whole level's worth of power! Kyoya, how did you do that?" Hearing my words, Rias rolled her eyes.

"Hehe, think of it as me giving you a little power-up. Now do you believe that I can train you to defeat that 'turkey'?" I asked, a smug grin on my face.

"Of course. I've always believed that Kyoya could save me!" Rias said, her face flushed and her gaze full of affection.

...

After a moment, Rias regained her composure and asked, "So, Kyoya, are you planning to train us by forcefully increasing our magic power and physical strength like this?"

"Hmm, you're a special case, Rias. I can't use that ability infinitely. So, I'll be using different methods to train Akeno and the others, methods that are more suited to their individual strengths." I explained, then continued, "Rias, you should go practice your [Power of Destruction] on your own for a while. After all, you've suddenly gained so much power that you'll need some time to adjust."

"Okay, Kyoya. Then I'll leave Akeno and the others to you." With that, Rias went off to a corner to practice on her own.

Then, I gathered Akeno, Koneko, Kiba, and Kiyome to begin their training.

"First, let's talk about your training, Kiba." I looked at Kiba and said.

"No problem, Kyoya. I'm ready for anything." Kiba replied, eager to begin.

"Since Kiba has the [Sacred Gear: Sword Birth]. your training will focus on speed." I reminded him.

"Speed?" Kiba tilted his head, deep in thought.

"That's right. Your training will be simple. You'll practice basic swordsmanship and movement techniques while carrying heavy weights. This way, during battle, your strikes will carry maximum force, concentrated on your enemy, while they won't be able to target you." I further instructed him.

"I see, I understand!" Hearing my words, Kiba had a flash of insight. He understood my intentions and was about to start training with weights.

Seeing Kiba about to rush off, I quickly stopped him. "Hold on, Kiba. Don't start yet. Let me explain everyone's training regimen first, then you can all train together. I'll give you all a buff that will make your powers skyrocket within a week."

"Understood." Kiba nodded and stepped back.

"Kyoya-senpai, does that mean I should train the same way as Kiba?" Koneko asked, her eyes sparkling with curiosity.

"Well, Koneko, your piece is Rook, which specializes in close-quarters combat, so it's similar to Kiba. But I'll also teach you a set of martial arts later." I said.

Koneko nodded in understanding.

I turned to Akeno. "As for you, Akeno, since you're known as the 'Priestess of Thunder,' that means you specialize in lightning, right?"

"That's right. I'm very strong, you know." Akeno nodded, listening intently.

"I'm also quite proficient in lightning. So, Akeno, demonstrate your fighting style and techniques for me. I'll see where you can improve."

Seeing the lightning crackling around me, Akeno was a little surprised.

But to be safe, I reinforced the barrier that Rias had set up earlier with a stronger one. "Alright, start now."

"Kyoya, watch closely. This is my specialty, lightning strikes. It can also use magic to create natural phenomena like ice and fire, but my forte is summoning lightning from the sky."

Akeno smiled and flew into the air. As her magic power surged, bolts of lightning lashed out, ravaging the surrounding forest. The powerful strikes slammed against the barrier, causing it to ripple.

"I understand your issues now, Akeno. You can come down." I quickly told Akeno to stop.

"Kyoya~, how do you find my abilities?" Akeno asked, looking as if she expected praise. After all, she was quite confident in her power.

"Hmm, your power is impressive, Akeno. You've already reached the level of a High-class. But..." I said, then paused, shaking my head, "You're wasting your magic power! You cast your lightning in a wide area attack, and your techniques are crude and simplistic. How much magic power do you think you have to waste like that?"

"...."

Akeno, who had been feeling quite pleased with herself, was suddenly speechless. Her mouth twitched. She had to admit that she didn't have a lot of magic power. It seemed she really couldn't unleash that many lightning attacks.

"So, Akeno, you need to work on your control over lightning, to the point where you can freely manipulate its trajectory. Secondly, you should develop some other techniques. Your attacks are too predictable." I said, looking at Akeno.

"Akeno, watch carefully. This is how you use lightning." I appeared in the air in a flash and demonstrated the abilities of the Rumble-Rumble Fruit: [El Thor], [Kari], [30,000,000 Volt Hino], and even the close-combat [Raiton: Chidori] from Naruto!

Hundreds of lightning bolts instantly erupted in the sky, blanketing the entire area above the barrier. They crackled and roared in the air like countless dragons, twisting and turning, wreaking havoc.

Most of these were techniques developed by that "Big-Eared" Enel from the One Piece World. But in terms of both power and technique, they were far superior to what Akeno had demonstrated.

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