Ken left his home a few weeks ago to get out of his mom's control but now he does not know what to do anymore.
He wanted to get some training before Raditz arrived but he has used up both of his uses of the hyperbolic time chamber and doesn't have a powerful sparing partner to train effectively.
He was running out of options.
And of course, he knows that he would be able to fight Raditz and even Nappa without any problems but he was fearful of the butterfly effect that he might have caused.
In every fiction that he has watched in his previous life, there seems to be a butterfly effect every time someone messes with time or destiny.
The butterfly effect is the phenomenon where a minute localized change in complex systems can have large effects.
Since this is the world of dragon ball.
If someone like Mira or Fu time travellers with selfish motives, Time patrollers whose goal was to preserve the timeline no matter the cost intervenes he would be in trouble.
And with the options being limited a random idea popped into Ken's mind.
[Can I use KaiKai to move into the time chamber?]
An idea that was so bizarre it just might work.
Kaikai is a teleportation ability that Ken learned from Kami during his time training in the time chamber with the old guardian.
The ability has a very wide range with it even spanning to the Almighty God(Zeno)'s castle.
Kami also said to ken that it allows him to travel to heaven(another world) and hell and any of the places that he has been to.
So the space inside the time chamber being in another dimension the teleportation might just work.
"Kaikai" Ken disappeared into the air.
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He opened his eyes and saw an endless white void.
He succeeded.
By using Kaikai was able to teleport inside the time chamber.
He tried teleporting outside for safety measures and it works.
He was now able to move in and out of the time chamber without any problems.
The reason why training for more than a day in the chamber is dangerous is because of the limited food and disappearing entrance if you overstay your welcome.
But now those are out of the window.
He can cheese the system and abuse this as much as possible.
When he trained with Kami in the chamber his power level didn't increase much because he fixates on learning Magic materialization, healing, Kaikai and evil containment wave.
But this time he does not have such goals anymore.
He needs to, no, he wants to increase his power level as much as he could.
So He decided to train for eleven years(eleven days) enough for him to become independent and move out of his house.
Of course, training in an endless void without anyone to talk to would be very lonely but Ken didn't have any problems since his Saiyan blood keeps him determined.
Bit by bit he increased the intensity of his training by moving further and further away into the white space and increasing the weights as much as he could.
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In the first year, he handled ten times earth's gravity and weighs totalling 700kg.
His power increased a bit from 4000 to 5000.
1000 for 1 year's worth of training is not good but his bullshit potential, lack of training partner and lack of Zenkai boost(the process where a Saiyan was able to increase his battle power by a lot when he healed from his injuries) makes it at least tolerate the frustrating training session.
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In the second year, he increases the gravity to 50 times that of the earth and weight totalling 1 ton.
He has had difficulty moving the whole year.
And because of this, he was not able to train efficiently and didn't get the results that he was hoping for.
His power level increased from 5000 to 8000.
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In the third year, he didn't increase the gravity and the weights.
He was starting to get used to gravity and the weights.
His power level increased from 8000 to 12000.
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In the fourth year, he stayed in the same conditions but now he has fully gotten hung off the atmosphere.
For some, reason His power level skyrocketed to 300,000 an amount that he can't imagine this early.
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In the fifth year, the gravity was increased to 100 times that of the earth and the weights were increased to 10tons.
Ken started to show signs of becoming a Super Saiyan.
Then He collapsed due to exhaustion from his intense training.
His power level increased to 400,000.
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In the sixth year, he was briefly able to transform into a super Saiyan but it was unintended and he was not able to maintain it for more than three seconds.
He also found out that his potential was the main reason that was drawing him back.
Even after drinking the ultra-divine water, the potential was still dog shit.
This year His power level increased to 800,000.
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In the seventh year, the luck finally blossomed and the training finally paid off.
Ken was now a Super Saiyan.
The reason why the power level increase is so low is because of the low potential.
His potential unleashed transformation would be much stronger in exchange for this.