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....

Seeing the dazzling display of lightning techniques in the sky, the scene was utterly breathtaking and awe-inspiring. Everyone was stunned into silence.

"Kyoya, you're really making feel inadequate," Akeno said, a hint of self-deprecation in her voice as she returned to my side.

"Now, now, Akeno, don't compare yourself to . You'll only end up feeling worse." I chuckled, then added, "When you train later, you can try to emulate the techniques I demonstrated, or you can develop your own. If you have any questions, feel free to ask ."

"As for Kiyo, I'll explain your training regin later. For now, could you bring Rias back? It's ti to activate 'cheat mode'." I said, gesturing for Akeno to fetch Rias.

...

When Rias and Akeno returned, everyone looked at with a mixture of confusion and anticipation, wondering what this "cheat" was all about.

I smiled mysteriously, then took out a miniature model of a house.

'???'

Everyone stared at the tiny house in my hand, completely bewildered.

Akeno was the first to speak, her expression slightly strained. "Kyoya, is this the 'cheat' you were talking about? Since when did you start liking such childish things?"

Seeing their confused expressions, I grinned and said, "Hehe, don't underestimate this. This little thing is extraordinary. You'll be amazed when you hear what it does!"

"Alright, Kyoya, stop keeping us in suspense. Explain it already!" Rias said, rolling her eyes at my antics.

"Okay, okay, I'll explain!" I said, dropping the act. "This is called the [Hyperbolic Ti Chamber]. It has everything you need inside: food, water, and rooms. The air is thin, the temperature fluctuates between 122 degrees Fahrenheit and -40 degrees Fahrenheit, and the gravity is ten tis that of Earth. It also has a vast, seemingly endless expanse, like outer space."

"Those with weak wills or who lack focus are prone to hallucinations. And the most peculiar thing is, one year inside is equivalent to only one day outside. Hence, it's the ultimate training location. However, a person can only enter for the equivalent of two days in their entire lifeti. If you exceed that limit, the exit disappears, and you're trapped forever."

"Boom!!!"

Hearing my explanation, everyone was stunned!

Training inside for one day was equivalent to training for an entire year outside!

My words were like a bolt from the blue, leaving Rias and the others frozen in place.

Training for a year in just one day was sothing they had never even dared to imagine.

"Changing the flow of ti—This..."

"Kyoya-senpai, are you joking?"

"Th-this is—It's unbelievable."

"Kyoya, are you sure you're not just teasing us?" Rias asked, her mind reeling.

Seeing their reactions, I couldn't help but chuckle. "Did you hear wrong? Not only can this [Hyperbolic Ti Chamber] simulate any training environnt you desire, but it also alters the flow of ti."

"In short, you don't just have seven days to train before the Rating Ga. You actually have two years and five days. How about it? With my cheat, are you confident you can beat that 'turkey' now?"

Everyone's eyes lit up, and they all showed expressions of excitent and eagerness.

"Kyoya, let us try it out!" Rias urged, unable to contain her excitent.

...

I didn't drag it out any longer. I tossed the [Hyperbolic Ti Chamber] into the air.

The miniature house rapidly expanded, growing from the size of my palm to the size of a normal house, before finally stopping.

Everyone watched this transformation in awe, marveling at the sight.

Then, we all gathered at the entrance of the [Hyperbolic Ti Chamber]. I took out my phone and set a tir.

Rias and the others had just heard my brief description of the [Hyperbolic Ti Chamber's] wonders but had yet to experience it for themselves. So, they decided to send soone in to test it out.

"I'll go in and take a look!" Akeno volunteered, stepping forward. Everyone else waited outside.

"Once you're inside, don't wander too far, or you might get lost." I reminded Akeno before she entered.

Akeno nodded, opened the door, and stepped inside. She felt as though she had entered another world. The gravity was noticeably heavier, making her feel a little uncomfortable.

The space inside seed to stretch on forever, a vast, white emptiness with no end in sight. It made Akeno feel incredibly small.

Rembering that I had called this a training artifact, she decided to test it out. She raised her hand and aid at a spot on the ground nearby, unleashing her strongest attack.

But the normally destructive lightning blast, when it struck the ground, caused no damage. The ground was completely unhard.

Akeno was shocked. Her strongest attack hadn't even left a scratch. But this also ant they could train without worrying about damaging the place!

...

Finally, after exploring the space for about an hour, Akeno decided to leave.

Outside, Rias and the others were startled to see Akeno erge so quickly.

"Akeno, why did you co out so soon? It hasn't even been a second."

Akeno explained that she had been inside for about an hour.

Everyone was amazed by the [Hyperbolic Ti Chamber].

"It's a miracle training artifact!" Rias exclaid.

"Not only that, but the gravity inside is almost ten tis that of the outside world. And the space inside is practically limitless. Even my strongest attack didn't leave a mark on the ground. It's a natural training ground!" Akeno added.

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