"Grandpa Roshi, this is Big Brother Kaiser."
"He's the boyfriend Shenron got for Bulma."
Goku explained Kaiser's origin.
"Shenron's boyfriend pick?"
Roshi blinked, stunned that Bulma's wild wish actually came true.
And with such an extraordinary guy.
"No Ki…"
"But I sense danger…"
Roshi's eyes flickered behind his sunglasses.
"Kid, are you an Earthling or…?"
His tone turned serious.
He recalled his youth, facing Piccolo Daimao,
Who nearly plunged the world into ruin.
Kaiser's presence felt even more terrifying.
That meant Kaiser's power might far surpass Piccolo Daimao's.
"Strictly speaking, I'm an Earthling, but from a different Earth."
"Our cultivation systems differ."
Kaiser was upfront about his goal.
"I'm here because I heard you're this Earth's martial arts grandmaster. I want to test my skills against yours."
Though both were human, Dragon Ball humans had limited potential.
At best, they reached Krillin's level.
Impressive early on, but mere spectators later.
"Oh?"
"A different cultivation system?"
Roshi was intrigued.
Trained under Mutaito, he'd achieved much.
Fewer than five people worldwide could match him.
But a different cultivation system? That was new.
Even the Demon Realm's fighters, minus their innate strength, used Ki.
"Let's have a good exchange then."
Roshi's interest piqued.
Kaiser felt dangerous but carried no malice.
His aura was almost divine, like a deity from legend.
"Couldn't ask for more."
Kaiser smiled.
"Tell me about your world's cultivation system."
Master Roshi sat casually on his island.
Kaiser, equally relaxed, began explaining the origin of Cosmos.
"By observing Goku, I've learned about a power called Ki."
"It's impressive."
"It shares similarities with my Cosmos."
"Cosmos stems from the universe's Big Bang."
"It's a system passed down by gods to push human limits."
"Starting as mortals, we train to hone our five senses."
"Then we awaken the Sixth Sense."
"Next is the Seventh Sense, Manas, followed by the Eighth Sense, Alaya, and the Ninth Sense, Amala, the divine Cosmos."
"That's the peak humans in my world can reach."
"Beyond that lies a realm only true gods can grasp."
"I'm currently at the Eighth Sense, Alaya."
"I came to this world through a deal with Shenron."
"My instincts tell me this world holds power to make me stronger."
"So I agreed."
Kaiser demonstrated his Cosmos.
At his fingertips, the evolution of stars and galaxies left Roshi sweating.
This was human?
"Wait…"
"I don't know your world."
"But your power is beyond my reach."
"From what you showed."
"Destroying a planet would be effortless."
"With such terrifying strength."
"I doubt Ki can offer you much."
Roshi wiped the sweat from his brow.
A martial arts grandmaster,
He was limited by his perspective,
Confined to this small corner of the world,
Far from the Roshi of later years.
"In my world, gods rule above, enslaving humanity."
"Every two hundred forty-three years, a great war... the Holy War... erupts."
"If my faction loses."
"The Earth becomes a purgatory in an instant."
"All life perishes."
"I must seize every chance to grow stronger."
"I can sense Ki's ceiling is high."
"It could help me greatly."
Kaiser replied earnestly.
"I see."
Roshi nodded, enlightened.
"In that case, I'll give it a try."
"Ki is a unique force within everyone."
"Everyone has Ki, varying in strength."
"It grows through training."
"And can unleash powerful techniques."
"For example…"
Boom!
Roshi's frail frame transformed into a muscular titan.
"Oh?"
Kaiser observed Roshi's state.
"Fascinating power."
His divine vision played a key role.
Ki's flow and mechanics were laid bare.
"Intriguing."
Kaiser saw Ki in nature itself.
"Ki… in this world, it's akin to life force."
"All things possess it."
"And it can be strengthened through training."
"No wonder Earthlings lag behind aliens."
The Frost Demons, Saiyans... all monsters.
Their life energy was immense.
Naturally stronger than Earthlings,
Their transformations made them untouchable.
"As expected…"
"My Ki is pitifully weak."
"It seems Saint Seiya's and Dragon Ball's systems can barely coexist."
Closing his eyes, Kaiser sensed his body. His Ki was faint.
Weaker than Roshi's.
"You sensed it?"
Roshi looked at Kaiser curiously.
"I did. It's weak."
"Maybe due to different life compositions."
"Though both human, humans adapt strongly."
"Each universe's creator god shapes its humans."
"My body suits my world's system."
"My Ki is weaker than yours."
Kaiser sighed.
Roshi studied him closely.
Indeed, he noticed a difference.
He sensed Kaiser's faint Ki.
"Sensing Ki is a good start."
"Ki grows with training."
"Your strength is formidable. If you can integrate Ki, it'll boost you."
Roshi, unfamiliar with such a case, could only encourage him.
"Can we learn your Cosmos system?"
Roshi was curious about Cosmos.
"You can try."
Kaiser didn't mind sharing.
Cosmos was hard to learn, harder to master, with a capped ceiling.
Without Saint Seiya's world, Kaiser wouldn't have chosen it.
Across Saint Seiya's story,
Few humans rose to prominence.
Even the first Saints, clad in Hephaestus-forged Golden Cloths imbued with Olympus Gems,
Fell against gods.
Only Seiya, the great savior, prevailed.
And Dragon Ball's world couldn't resonate with constellations.
Awakening Cosmos was near impossible.
"As expected, I can't grasp it."
Roshi sighed, slightly disappointed but not overly so.
At his age, he'd seen it all.
With Kaiser's strength present,
Roshi felt safer.
Per Goku's account,
Kaiser might stay with Bulma for life.
"By the way, you should visit Karin Tower."
Roshi, struck by a thought, suggested.
"Karin Tower?"
Kaiser paused, recalling Karin.
Right!
How could he forget Senzu Beans?
A multiversal miracle drug!
As long as you lived, any injury healed instantly.
The key was mass production.
Though the yield was small,
It was more than enough for Kaiser's needs.
Karin's centuries-long stock amounted to a single jar.
Most of it was squandered by Yajirobe.
Better to claim it than let it go to waste.
And a chance to consult Karin.
"I understand. Thank you for the suggestion."
Kaiser stood eagerly.
Senzu Beans... the more, the better!
Bidding farewell to Master Roshi, he teleported off the island.
"No ordinary man."
"He just sensed Ki, yet its strength nearly matches mine."
"Another Earth's human?"
Roshi gazed at Kaiser's former spot, lost in thought.
If Kaiser's strength weren't already so immense,
Roshi would've taken him as a disciple.
His talent was extraordinary.
Instead of climbing Karin Tower as required, Kaiser teleported inside.
"Meow!"
Karin bristled at the sudden arrival.
"It's you! You startled me!"
Karin recognized Kaiser.
"You know me?"
Kaiser was surprised.
"The warrior Shenron brought from another world."
"Bulma's boyfriend."
"The God of Earth informed me of your presence."
Karin scanned Kaiser.
Pure righteousness, no malice... perfect.
Shenron hadn't dropped the ball.
"What brings you here?"
Karin eyed Kaiser curiously.
He sensed Ki in Kaiser.
That was surprising.
"I want to know about Ultra Divine Water."
"And… how many Senzu Beans do you have?"
"I can trade dried fish."
Kaiser inquired.
Since he was here, he'd investigate Ultra Divine Water.
Another game-changer.
"Ultra Divine Water?"
"That stuff's deadly poison."
"With your strength, it likely won't help much."
"As for Senzu Beans, I've got plenty."
"But I want lots of dried fish."
Karin's eyes gleamed at the mention.
He promptly showed Kaiser the jar.
For Karin, Senzu Beans were just snacks.
One kept him full for ten days.
Kaiser took a bean from the jar.
His divine vision examined it.
"Such dense life energy."
"It's almost absurd."
Kaiser was stunned.
The life energy in a single bean was staggering.
In a disaster relief scenario,
One bean, boiled into water, could feed a hundred people for a day.
Eating was about energy intake.
Senzu Beans were pure life energy.
For most, one bean sated them for ten days, as their energy capacity maxed out.
Excess energy dissipated harmlessly.
No side effects, no resistance.
They could be eaten repeatedly.
Restoring stamina was the least of it.
They perfectly healed internal and external injuries.
But they couldn't cure diseases.
Diseases stemmed from organ or cellular issues.
Senzu Beans offered no help there.
But post-recovery, one bean restored full vitality instantly.
No recuperation needed.
A true treasure.
Especially for Saints.
Kaiser popped one into his mouth.
Immense life energy surged.
A sense of fulfillment washed over him.
"Karin, can I take this entire jar?"
"If you grow more Senzu Beans, I'll trade more dried fish."
Kaiser's eyes burned with determination.
It was confirmed... Senzu Beans worked for Saints.
As living beings,
They benefited just the same.
In that instant, his body felt lighter.
Hidden injuries vanished.
His condition was perfect.
"Of course."
"But leave me ten beans for seeds."
Karin wouldn't refuse dried fish.
Kaiser handed back ten beans.
"When can I get my dried fish?"
Karin licked his lips.
"Tomorrow."
"And Ultra Divine Water... can I really not use it?"
Kaiser pressed, unwilling to give up.
Karin sized him up.
"You could, but it won't meet your expectations."
"It unlocks potential but leaves serious risks."
"I don't recommend it."
Karin answered gravely.
"Risks?"
Kaiser recalled Goku's heart virus in Dragon Ball Z.
A Super Saiyan, killed by disease in the main timeline.
Many speculated it came from intense gravity training.
Or the Ultra Divine Water he drank as a child.
Most leaned toward the latter.
"I see."
"Forget it then."
Kaiser sighed, wondering if Namek's Elder could unlock his potential.
Probably not.
Senzu Beans secured, Bulma in hand.
Three things remained on Kaiser's list.
First, divine power.
Second, Ultra Instinct.
Third, Autonomous Ultra Instinct.
In Dragon Ball, becoming a god wasn't too hard.
No divinity was required.
Only planetary gods faced lifespan limits.
Other gods were near immortal.
Kaiser wondered if he could find a way in the Dragon Ball world to strengthen his divine nature.
As for Ultra Instinct and Autonomous Ultra Instinct, they were secret techniques of top-tier gods.
Incredibly powerful, they could amplify combat strength.
But mastering them was daunting.
Only Angels could maintain Ultra Instinct effortlessly, while even Destroyers struggled.
***
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