Five minutes later, on a small island not far from Kame House.
"Zeru, this time, please use your full strength!"
Son Goku clasped his hands together and bowed deeply toward Zeru.
"Alright."
A smile appeared on Zeru's face. At present, his base Power level had reached 1.6 jing. With the new exclusive Super Saiyan 5 transformation's 200,000-fold multiplier, his combat power would soar to a terrifying 320,000 jing—equivalent to 32 gai.
Perhaps that level wouldn't seem overwhelmingly strong compared to Goku's roughly 100 gai…
But Zeru still had his fifteen-times Kaioken.
At full output, that would push him to 480 gai.
In other words, even a simple five-times Kaioken without side effects would be enough to completely overwhelm Goku at his current stage.
"Haah!"
"Haaah!"
Two explosive shouts rang out as both released their immense auras.
160 gai versus 100 gai.
The gap was obvious at a glance.
Yet Goku showed no fear at all. Instead, his face lit up with excitement. For him, the stronger the opponent, the more exhilarating the battle.
And unlike Goku's Kaioken—
Zeru's version had no side effects and could stack multiplicatively with his transformations. That alone made it fundamentally different.
Whoosh!
In an instant, both vanished.
Within a single breath, they collided high in the sky.
Boom!
Their fists clashed with overwhelming force, distorting the air itself.
"What terrifying power!"
On the island below, Krillin and the others stared in shock at the first exchange.
"Kakarot… Zeru… both are formidable rivals."
Vegeta crossed his arms, narrowing his eyes at the sky. His expression was complicated.
Their growth far exceeded his own.
If Zeru knew what Vegeta was thinking, he would have laughed.
Compared to Goku and Vegeta's explosive growth in the original storyline, Zeru's progress was anything but easy.
He hadn't received any sudden, story-breaking boosts.
Even his Super Saiyan God transformation hadn't granted him an instant leap to 60–70% of Beerus's power like Goku and Vegeta.
Every bit of his strength—
Was built step by step.
Sure, the system helped.
But most of it came from brutal, consistent training.
Before Dragon Ball Super even began, Zeru had already surpassed them by an unimaginable margin.
Boom!
A violent shockwave rippled across the sky, followed by a thunderous explosion. Smoke spread outward, forming a massive black mushroom cloud.
"What's going on?!"
Everyone looked up.
As the smoke cleared, they saw—
Both Zeru and Goku had reverted to their base forms, engaging in pure hand-to-hand combat.
"They're too strong. If they keep using energy attacks, Earth will be destroyed. So they switched to close combat."
Vegeta explained calmly.
"I see!"
Everyone nodded in realization.
Krillin glanced at the distant ocean—
A massive section had already been reshaped into a new landmass by their earlier energy clash.
The battle continued.
Faster.
More intense.
After more than ten minutes of relentless exchanges, both launched a final strike, sending each other flying apart.
The fight ended.
"Who won?"
Krillin and the others asked immediately.
"Zeru."
Vegeta answered flatly, his expression dark.
He had observed every detail.
Simulated the fight in his mind.
And reached a conclusion—
If he were the one facing Zeru…
He would be crushed within a dozen moves.
In other words—
He wasn't even on Goku's level anymore, let alone Zeru's.
"Hahaha! That was amazing!"
Goku landed on the island, covered in injuries, yet grinning widely in excitement.
Zeru descended as well.
Unlike Goku—
He showed no signs of injury.
No exhaustion.
In fact…
He seemed even stronger.
"Host: Zeru
Bloodline: Ultimate Saiyan
Realm: Divine Domain (95%)
Base Power: 2 jing
Abilities: Fifteen-times Kaioken (no side effects), Advanced Instant Transmission, Erasure (Golden), Time Stop (3.2 seconds), 52.5% chance to weaken attributes, Ultra Instinct (Omen) Phase 1 (55.5%)
Items: Combat Robot Chamber, 20,000x Gravity Room, Hyperbolic Time Chamber (20x time flow)"
After checking his status panel, Zeru couldn't help but feel surprised.
During that intense battle—
His base power had increased by 0.4 jing.
"I almost forgot…"
"My Ultimate Saiyan bloodline includes the Legendary Super Saiyan trait."
His his gaze sharpened.
That bloodline—
Thrived through real combat.
Which led him to a realization.
Why hadn't his power grown much while training against the combat robots?
"System… I think there's a bug."
Zeru frowned slightly.
"The combat robots are strong enough, but they're not triggering my bloodline's true growth potential."
"Host," the system replied calmly.
"The combat robots have no souls. Within that chamber, you are essentially isolated from the world. They are tools for improving combat experience—not for stimulating your bloodline."
Zeru paused.
…Fair enough.
He had nothing to argue with.
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