Then he went to sleep. Cooler's spaceship hadn't arrived yet.
Once they reached Cooler's spaceship, the objective seemed to be defeating Cooler, not killing him.
Then he activated Kaio-ken x10.
He instantly teleported onto Cooler's ship and went on a rampage, killing everyone in sight.
Someone reported to Cooler, "King Cooler, there's a Saiyan killing people all over our ship!"
"What? A Saiyan? How did he find our coordinates? What's his power level?"
"Your Majesty, the Scouter reads 1.2 billion." "What? That's much higher than my power level!" Cooler immediately began transforming, shifting into his ultimate form. Even transformed, Cooler's power level was still hundreds of millions below Wei Dong's.
"Finally! I can experience instantly killing a villain!" Wei Dong said excitedly. "I'll just kill him in one hit!" He used Instant Transmission and fired a Kamehameha. "Ha! Me! Ha! Me! Ha! Me! Ha!" Cooler was hit by the Kamehameha.
It seemed he hadn't died, but the system had already issued the reward. Cooler had been blasted out of sight, and Wei Dong couldn't find him. He couldn't be bothered to look, since he'd already gotten the reward. Cooler probably wasn't dead; if he were, there wouldn't have been a reward. The timing had been just right.
"Shared host, potential development is now beginning. However, you have never undergone potential development since you began training, so you currently have immense untapped potential. Developing it now may take dozens of days, or even hundreds."
"Yoshi! With that much potential, doesn't that mean I can just slack off? If this boosts my power by a lot, I won't have to do anything at all."
He instantly teleported to Namek and entered the Hyperbolic Time Chamber. "System, you can start now."
"Answering the host: this process cannot be carried out inside the Hyperbolic Time Chamber."
"Uh, I was hoping to save some time. Never mind, never mind. Let's go out."
After leaving, Wei Dong sat down on the ground.
Then the system began developing his potential.
Wei Dong's body immediately grew warm. An inexplicable force flowed into him. Feeling its immense power, he grew more and more excited. Holy crap, once I have this power, dealing with Majin Buu will be a piece of cake. I'll beat him without even breaking a sweat.
Two years passed before Wei Dong finally woke up. He found himself inside a Namekian's house. The Namekians had probably carried him inside. But he had no time to worry about that. "System, how much time has passed?"
"Answering the host: a little over two years."
"A little over two years? That's way too long! And my power level only went from 120 million to 150 million. It took over two years for that? Majin Buu will appear in just four years!"
"Answering the host: as your power level increases, it does not mean that it will keep increasing faster. On the contrary, the higher your power level, the slower it rises."
"That does seem to be true, but maybe it's only like that in my world. Damn, in Dragon Ball Super, Golden Frieza had a power level of 10 to the twentieth power when he first appeared.
"How come power levels in my world keep getting lower? Two years have passed. I wonder how Biro and Piccolo are doing. Let's go into the Hyperbolic Time Chamber and see." He paused.
"Twenty years have passed. Since time inside the Hyperbolic Time Chamber moves ten times faster than in the outside world, we could feel their powerful auras as soon as we entered. System, analyze their power levels."
"Understood, host. Biro's power level is a little over 50 million, while Piccolo's is already close to 22 million."
"They've made very little progress in twenty years. Gohan's power level was already over 70 million after just two years in the Hyperbolic Time Chamber."
"Talent really does matter. I wish I had talent like Gohan."
After talking with Biro and Piccolo for a long while, Wei Dong learned that they focused mainly on strengthening their bodies, with increasing their power levels as a secondary benefit. They had reasoned that Saiyan transformations gave a ridiculous boost, so they planned to keep training in Kaio-ken. Once its multiplier was high enough, it could rival Super Saiyan.
Biro could currently use Kaio-ken x60. Piccolo was much weaker, at Kaio-ken x25. Biro's progress was outrageous. As for Piccolo, though, things might be different if he fused with the Guardian.
"Wait, if Piccolo fused with the Guardian and then with Biro, his power level might even surpass mine! Though, maybe 'fusion' isn't the right word—it should be assimilation. And I don't think the original story ever explained how much assimilation increased someone's power level."
"By the way, system, how long would it take me to train from a power level of 150 million to 200 million?"
"Answering the host: approximately fifty years."
"Holy crap, that's so long! This timeline is such a pain. How am I supposed to fight the likes of Beerus after all that time?
"Beerus just keeps getting stronger while lying around. He's even more ridiculous than Broly. His power level keeps shooting up nonstop while he does nothing.
"So what should I do now? With my current power level, I can't even be sure I could beat Majin Buu. Damn it, it's entirely possible Majin Buu could kill me in one hit."
Before you continue