Marvel: My Sign-in System

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...

"It's hard to believe what it takes to get this giant airborne," Sergei said, gripping the guardrail as he stared in awe at the massive base.

"We've implemented advanced anti-gravity technology," Melina explained, "with a large turbine engine and thirteen auxiliary turbines to provide vertical lift. Tony Stark contributed a large Arc Reactor as the main energy source, ensuring long-term suspension."

"In a static hover mode, anti-gravity minimizes energy loss to almost negligible levels. Additionally, the base is equipped with forty-eight jet engines, which enable full flight capability and, if necessary, atmospheric exit. The built-in ecological system ensures a stable oxygen supply for normal operations," she continued, summarizing the features of the base. "Also, the base has an artificial intelligence control system and thirteen newly designed fighter jets, each equipped with vertical takeoff, landing technology, and advanced optical and radar stealth."

"These fighters, along with the base itself, function as a global communication network. However, without authorization, even if intercepted, the signal cannot be decrypted unless someone has a computing power surpassing the AI."

Leon watched the technicians below moving with calm efficiency. If this had been earlier, he might have felt exhilaration seeing a base of this caliber—comparable to a floating city. But as the owner of the Celestial Battleship Sky Blade Seven of Angel Civilization, he couldn't exactly be thrilled by this. Still, he appreciated Melina, Yelena, and the team's efforts and recognized the need to show acknowledgment.

"You've done excellent work. Once the sky base is fully operational, give everyone some well-deserved rest and substantial rewards. Let's not be stingy with those who work hard for us."

Melina nodded, but Leon's next words stirred a strong reaction.

"As for you, Yelena, haven't you been curious about how Natasha became so strong over the years?"

Yelena, Melina, and Alexei exchanged glances. Yelena looked as though she was starting to understand. "You mean...?"

"You're Natasha's family," Leon continued. "Even if it began as an act, your bonds are real." He glanced at Natasha, who pressed her lips together, her gaze fixed on Leon, her eyes filled with unspoken emotions.

Leon smirked slightly, his voice gentle as he said, "I trust her—and I trust you, too."

"There are going to be big changes in the world, and you need to be strong enough to protect yourselves." As he spoke, he snapped his fingers.

A shimmer in the air appeared around his hand, revealing a metal box he had prepared earlier. He handed it to Yelena, who took it, a bit surprised. Natasha shrugged and opened the box to reveal a syringe nestled in black foam, filled with a beautiful blue liquid.

"This is a super-gene serum. It will enhance your genes, strengthening your physical abilities, cells, organs—everything. Once you're injected, a whole new world will open up to you."

Yelena and Melina exchanged a knowing look, confirming their suspicions. Given what they knew about Leon's past, they'd already wondered about the serum Natasha had taken to reach her current strength. Alexei was proof enough of what such transformations could do. But Leon wasn't calling it a super-soldier serum—he'd referred to it as a super-gene serum, which clearly promised even more potent effects.

"Thank you," Yelena and Melina said, holding back emotion.

Alexei, with his usual rough, loud demeanor, scratched his head and asked, "Leon, I've had a serum injection before. Wouldn't another one be useless?"

Leon shook his head. "No, it'll only make you stronger. In fact, the serum will improve you even more than Yelena and Melina. However, while it can evolve your body, it doesn't make you as skilled as Natasha. To use your enhanced abilities fully, you'll still need training. Natasha will help with that."

"But for now," Leon added, "let's get our big guy airborne."

Boom!

Everyone boarded the base. At Leon's command, the AI activated the engines, causing the base to rumble as the massive central turbine roared to life, emitting powerful flames. Slowly, the base began to rise.

Gathered in the spacious hall with its massive floor-to-ceiling windows, they watched as the base ascended into the sky, with the ground below shrinking gradually. As they reached an altitude of tens of thousands of feet, the base seamlessly transitioned into stealth mode, cloaking itself in the clouds.

Once in stealth mode, the base became undetectable to any military satellite scans. At this altitude, it switched to anti-gravity mode, allowing the turbine engines to shut down as it floated silently in the clouds, surrounded by thick, white mist.

In the hall, the younger girls eagerly pulled Wanda and the others along, ready to explore. The sheer size of a base that could accommodate over 17,000 people was staggering. It contained not only the essentials but also rooms for leisure and comfort: kitchens, laundry rooms, game rooms, cinemas, swimming pools, and more.

Dreykov's version of the sky base, used as a Red Team training facility, had been cold and utilitarian. But Leon's take was different. He had turned this sky base into a flying replica of the manor—another home, complete with warmth and luxury, that could soar through the skies.