After being injured, Mephisto immediately used the energy of the Hell Dimension to repair his body.
At the same time, Odin summoned Gungnir back to his hand.
Karl could immediately see that something was wrong.
Odin's condition had begun to deteriorate.
The divine power inside Odin's body was becoming increasingly unstable.
Karl quickly stepped beside him.
He placed a hand on Odin's shoulder.
Then he activated the Horse Talisman.
A stream of green healing light flowed from Karl's palm into Odin's body.
Soon, the chaotic divine power within Odin gradually stabilized.
However, Karl knew this was only temporary.
Unless Odin could break through to the Single-Universe level, his life would inevitably come to an end due to the instability of his divine power.
But Karl himself had not even reached that level yet.
How could he possibly help Odin achieve such a breakthrough?
Even the six Infinity Stones could not solve Odin's problem.
If they could, Odin would have already sought them out long ago.
After stabilizing Odin's condition, Karl nodded to him.
It was time for him to take action.
Karl raised his hand.
From his system space, the Ruyi Jingu Bang appeared.
At the same time, Karl's aura surged violently.
The six Infinity Stones embedded in the Gold Cloth began to glow.
Terrifying cosmic energy radiated from his body.
Even the Dimensional Lords watching outside the Hell Dimension could feel the terrifying pressure coming from Karl.
Mephisto himself felt a deep sense of regret.
He had originally thought Karl was merely a Celestial-level powerhouse relying on armor.
He had wanted to turn Karl into a powerful subordinate.
Instead—
He had provoked a monster.
BOOM!
Karl poured the power of the six Infinity Stones into the Ruyi Jingu Bang.
Then he swung it toward Mephisto.
The strike carried Pseudo-Single-Universe level power.
Mephisto's body was instantly blown apart.
However, thanks to the Hell Dimension's energy, he could still resurrect.
But this time—
He did not immediately reform his body.
Instead, he chose to hide within the dimension.
Seeing this, Karl simply smiled with disdain.
The light around him intensified.
The Infinity Stones and the Gold Cloth shone brighter and brighter.
Through the Mind Stone and Soul Stone, Karl could easily sense Mephisto's exact location, even though Mephisto was hiding inside his own dimension.
Karl began compressing energy.
More.
And more.
He continued compressing it until it reached near its absolute limit.
Then—
He fired.
WHOOSH!
BOOOOOOM!!!
The moment the attack struck Mephisto's hidden location, the energy exploded outward violently.
Mephisto's newly regenerated body was blown apart again.
The attack tore through the entire Hell Dimension.
A massive spatial rift opened in the dimensional layer.
Terrifying multiversal spatial turbulence poured out.
Energy.
Planets.
Matter.
Everything within the dimension began to be sucked violently toward the rift.
Any planet that entered the turbulence was instantly torn to pieces.
Nothing survived.
If the dimensional tear was not repaired—
Everything inside the Hell Dimension would be dragged into the multiversal void.
Seeing this situation, Mephisto had no choice but to appear.
If he did not repair the spatial layer, the Hell Dimension itself would collapse.
At that moment, Mephisto finally understood the terrifying truth.
Even he could not create such a massive dimensional rupture.
Karl's strength had already far surpassed him.
The moment Mephisto appeared—
Karl made his move again.
He took out the Heaven-Turning Seal.
The artifact rapidly expanded in his hand.
BOOM!
Once it reached its maximum size, Karl slammed it downward.
The massive seal descended upon Mephisto.
At the same time, Karl's aura continued to rise.
Karl had no intention of merely killing Mephisto.
He intended to destroy the entire Hell Dimension.
Only then would Mephisto truly die.
Karl's power surged again.
His body expanded.
Then he activated a technique.
Kaioken — 300x amplification.
This amplification boosted everything:
The rule energy of the six Infinity Stones
The cosmic power of the Gold Cloth
The energy of the Ruyi Jingu Bang
BOOM!
Karl gripped the Ruyi Jingu Bang with both hands.
He held it horizontally before his chest.
The staff expanded rapidly—
Until it reached ten thousand meters in length.
Then—
A beam of energy erupted from its tip.
The attack reached the true Single-Universe level.
Wherever the energy passed—
Spatial layers shattered.
Dimensional barriers broke.
Violent turbulence erupted.
Every planet within the Hell Dimension was annihilated.
Meanwhile—
Mephisto could only watch helplessly.
The Heaven-Turning Seal pinned him down.
It slowly pushed him toward the spatial turbulence.
This turbulence was not the turbulence of a normal universe.
It was the multiversal void current.
Even a Skyfather-level being would die instantly inside it.
Let alone a dimensional lord who relied entirely on his dimension for survival.
As long as Karl destroyed the Hell Dimension—
Mephisto would die.
And there was nothing he could do to stop it.
BOOM!
BOOM!
Karl continued swinging the Ruyi Jingu Bang again and again.
Terrifying waves of energy erupted with every strike.
The Hell Dimension was being systematically destroyed.
And its ruler could only watch helplessly.
Karl was not worried about the strain on his body.
The Horse Talisman's healing power, combined with the Celestial Evolution Stone Tablet fused within him earlier, continuously repaired the damage caused by the 300x Kaioken.
Because of that, Karl could repeatedly unleash this overwhelming power.
Odin watched the scene silently.
His heart was filled with emotion.
Not long ago, Karl had been nothing more than a mortal from Earth.
Now—
He had surpassed Odin himself.
Odin thought about Thor.
Thor had lived for more than 1,500 years.
And yet Karl had surpassed them all in such a short time.
Odin felt both admiration and envy.
In the end, he let out a quiet sigh.
But then he smiled.
Thor had always trusted Karl.
And now Karl had become Asgard's ally.
That alone was enough.
Meanwhile—
The Hell Dimension continued collapsing.
Mephisto, suppressed beneath the Heaven-Turning Seal, grew weaker and weaker.
His power dropped from Celestial-level to Sub-Skyfather level.
Finally—
Karl destroyed the entire Hell Dimension.
At the same moment—
The Heaven-Turning Seal crushed Mephisto completely.
The great ruler of Hell—
Mephisto
Was dead.
Outside the collapsing dimension, the watching Dimensional Lords fled in terror.
They scattered instantly.
If that terrifying being noticed them—
They would die without even having time to escape.
After all—
None of them possessed Mephisto's strength.
And none of them wished to become Karl's next target.
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