Bulma and Selipa worked together and spent three days building a "Deep Energy Detector." The device could scan energy sources thousands of meters underground and precisely pinpoint any abnormal energy fluctuations. "Begin scanning!" Bulma pressed the start button. A three-dimensional image of Earth appeared on the screen, dotted with countless flickering lights. Most were natural energy sources—magma, geothermal heat, and mineral deposits. But one point shone unusually brightly beneath a mountain range in the southern part of the planet. "Found it!" Bulma zoomed in on the area. "Two thousand meters underground. There's a huge energy source. The energy readings... Oh my gosh, they're still rising!" "That's Dr. Gero's laboratory," Trunks said. "In my future, it was eventually abandoned, but I never went inside." "Then let's go." Kashu stood up. The Underground Laboratory Kashu flew toward the target with Son Goku, Vegeta, Piccolo, Tien Shinhan, Krillin, and Trunks. There was an inconspicuous cliff in the mountains. Kashu sensed the structures underground and found the laboratory entrance—a metal door hidden in the rock. "Here." Kashu held out his hand, gathering Hakai Energy in his palm. A crimson light struck the metal door, which disintegrated in an instant, revealing a passage leading downward. "Let's go." The seven descended along the passage. Cold metal walls lined both sides, and every few meters, a lamp cast a stark, pale light. The air was thick with the smell of machine oil and disinfectant.
"Dr. Gero's been hiding here and researching for decades?" Krillin frowned. "This place is creepy." At the end of the passage stood a massive alloy door. Kashu opened it with Hakai Energy once more, revealing a huge laboratory. Dozens of pods stood inside, each containing specimens of various creatures—humans, animals, and some bizarre beings no one could identify. Most striking were three large pods, each holding a humanoid figure: a blond young man (Android 17), a dark-haired young woman (Android 18), and... a gigantic monster that looked like a cross between an insect and a human. "That's..." Trunks' pupils contracted. "What is that?" Kashu's pupils tightened too. The gigantic monster was Cell, in his embryonic form, before reaching his perfect form. "Dr. Gero didn't just create Androids 17 and 18," Kashu said. "He also created something even more terrifying—Cell." "Cell?" they all said in unison. "An artificial life-form made from the cells of Saiyans, Namekians, the Frieza Clan, and numerous other warriors," Kashu explained. "He can absorb Androids 17 and 18 to achieve his perfect form, gaining power beyond a Super Saiyan." "How do you know that?" Vegeta frowned. "I have my sources." Kashu offered no further explanation. Just then, a short, elderly man emerged from the shadows deep inside the laboratory. He wore a white lab coat, had graying hair and round glasses, and wore a manic grin. "I never thought you'd find this place," Dr. Gero said in a hoarse, chilling voice. "But you're too late. Androids 17 and 18 have completed their final adjustments and are ready to be activated at any moment." "Dr. Gero, stop your plan!" Trunks drew his sword. "The androids you created destroyed the world in the future! I won't let you repeat history!" "The future?" Dr. Gero laughed. "So you're from the future. How interesting. But do you know why I was able to create such powerful androids? Because I collected the cells of every powerful fighter on Earth—including you Saiyans!"
He pressed the remote in his hand. "Activate!" The fluid drained from Androids 17 and 18's pods. Their doors opened, and both androids opened their eyes. Android 17 was a handsome, cold-looking blond young man wearing a black jacket. Android 18 was a beautiful, expressionless blond young woman in a matching black jacket. They stepped out of their pods and stretched. "Dr. Gero, are you finally letting us out?" Android 17 drawled. "Yes. Kill them." Dr. Gero pointed at Kashu and the others. Android 17 looked at Kashu and tilted his head. "You're the Saiyan leader? You don't look like much." Android 18's gaze swept over the group, then settled on Krillin. A faint smile tugged at her lips. "There's a bald one." Krillin blushed—not from fear, but from a strange feeling. "Attack," Kashu said simply. Son Goku charged first, transformed into a Super Saiyan, and sent golden flames soaring into the air. He punched toward Android 17's face so fast the air ripped around him. Android 17 raised a hand and caught Son Goku's fist. "Not bad," he said. "But not good enough." He kicked Son Goku in the abdomen. Son Goku crossed his arms to block, but the kick sent him flying dozens of meters, smashing through the laboratory wall. "Goku!" Krillin cried. Android 17 looked at his fist. "These Saiyans are weaker than I expected." "I'll handle this." Vegeta transformed into a Super Saiyan, golden flames burning even brighter than Son Goku's. After six months of training, his battle power had reached six hundred thousand, or thirty million in Super Saiyan form—but he was still nowhere near Android 17. Android 17 didn't even move. He released a mere fraction of his energy, and Vegeta staggered back several steps. "Your battle power... is at least one hundred million." Vegeta's expression darkened. "One hundred million?" Android 17 laughed. "You're underestimating us. Android 18 and I have a battle power of five hundred million."
The entire room fell silent. Five hundred million. Several times Frieza's power in his final form. Kashu's battle power in Legendary Super Saiyan Fourth Grade was four billion—far beyond Android 17's. But Son Goku and Vegeta were no match for them. "I'll take over." Kashu stepped forward. He released the power of Legendary Super Saiyan First Grade, crimson flames blazing around him. His battle power reached three hundred and sixty million.
A flicker of surprise crossed Android 17's eyes. "Not bad. You're stronger than I expected. But still not enough." "Legendary Super Saiyan Second Grade." Kashu's energy continued to rise—red and gold flames flared around him, and his battle power reached seven hundred and twenty million. Android 17's pupils contracted. "Legendary Super Saiyan Third Grade." Crimson, golden, and deep purple flames surged around Kashu, and his battle power reached 1.8 billion. Androids 17 and 18 both took a step back. "Legendary Super Saiyan Fourth Grade—Seven-Colored Diamond Form." Transparent energy refracting in rainbow colors poured from Kashu's body, covering him from head to toe. His hair turned silver-white, and his pupils became multicolored. A terrifying aura engulfed the entire laboratory. The walls began to crack, and the pods exploded one after another.
Battle Power: 4 billion. Android 17 went deathly pale. "This... this is impossible!" "You don't get to decide what's possible," Kashu said. "Dr. Gero, shut down your androids. Otherwise, I'll destroy them." Dr. Gero looked even more horrified than Android 17. He hadn't expected one of these Saiyans to be so terrifying. But he couldn't accept it—how could the androids he'd spent his entire life creating be destroyed just like that? "Androids 17 and 18, give it everything you've got!" Dr. Gero roared. Androids 17 and 18 exchanged a glance and unleashed their full power at the same time. Their battle powers soared from five hundred million to seven hundred million—they had been holding back too. They charged at Kashu from either side, working in perfect sync. Android 17's fist broke the sound barrier, while Android 18's kicks sent waves of air rolling outward. Kashu shifted slightly, evading their attacks, then slammed a palm into Android 17's chest and struck Android 18's shoulder with his elbow. They flew backward and crashed into the wall, leaving cracks that spread like a spiderweb. "The gap is too great," Kashu said. "Your strength is impressive among Saiyans, but before the Realm of Gods, it's nothing." He extended his right hand, gathering Hakai Energy in his palm. A crimson light danced at his fingertips, holding the terrifying power to destroy anything. "Wait!" Dr. Gero cried in terror. "I'll shut them down! I'll do it!" He pressed the shutdown button on the remote. Androids 17 and 18 shuddered. The light went out of their eyes, and they stood motionless. "They're shut down now." Dr. Gero slumped to the floor. "Please don't destroy them... They're my masterpieces..." Kashu withdrew the Hakai Energy and walked over to Dr. Gero. "Your masterpieces nearly destroyed the world of the future," Kashu said. "Dr. Gero, your research ends here. I'll hand you over to Earth's government, and the android technology will be sealed away." Dr. Gero lowered his head and didn't resist.
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