Ren Kai stared thoughtfully at the corpse of the Lava Demon God, Crimson Beast.
Its once fiery-red skin had turned pitch black after being drained by Sage Art: Advent of a World of Trees, and it no longer showed any signs of life.
But something still felt… wrong.
Ren Kai stepped onto the massive corpse and looked toward the distant magma vein.
"Tsk, tsk… I didn't expect you to be like this."
In the distance, he saw a tiny red dog sprinting toward the magma vein at surprising speed.
Its body was no bigger than a small household dog—barely thirty centimeters tall.
With a sudden burst of speed, Ren Kai kicked off the corpse beneath him.
The enormous body of Crimson Beast collapsed into a deep crater from the force.
In the blink of an eye, Ren Kai appeared in front of the fleeing red dog.
The little dog slammed on the brakes in fright, nearly getting crushed under Ren Kai's foot.
"Rexasis, don't go too far!"
The red dog barked angrily.
"How am I going too far?"
"I simply want to beat you to death."
Ren Kai looked down coldly.
"I… you… this…"
The red dog trembled with anger, unable to form a proper sentence.
The situation forced it into submission.
"What exactly do you want?"
Crimson Beast asked helplessly.
"What could I possibly want?"
"Nothing more than letting you continue sleeping."
Ren Kai crossed his arms and thought for a moment.
He still hadn't awakened the Rinnegan.
If he had, he would be confident in killing the demon god completely.
But the Rinnegan's evolution still required time.
"I've already been sleeping for six thousand years!"
"Last time I hadn't even stepped outside before your brother killed me!"
"And now you're here again!"
"Please—have mercy on me!"
"I promise I won't cause trouble anymore!"
"I'll just stay quietly in the magma veins!"
Crimson Beast's voice became pitiful.
It had only liked causing chaos and destruction in the past.
"Unfortunately, that won't work."
"I've already promised someone I'd deal with you."
"Ahahahaha!"
Ren Kai burst into Madara's iconic manic laughter.
Only in a place with no witnesses could he truly embrace Madara's madness.
As expected, the power inside his body increased slightly again.
"Big brother, please spare me!"
"If nothing else, I'll sign a soul contract with you!"
"Just stop trying to kill me!"
The red dog trembled in terror.
Madara's laugh had completely frightened it.
"Oh?"
Ren Kai paused to think.
"Look, every time you come kill me, it wastes your time!"
"I can help you fight!"
"I may not match you or your brother, but I can handle weaker enemies!"
"If you take me as your subordinate, I won't cause trouble again!"
Crimson Beast desperately tried to list its advantages.
Ren Kai thought it actually made sense.
Searching through Rexasis's memories, he found the knowledge of soul contracts.
There were three types:
Equal Contract – both sides remain equal and cannot harm each other.Master-Servant Contract – the servant's life belongs entirely to the master.Fair Contract – a pact of exchange or promise; breaking it means death.
"I'll give you a chance."
"You'll sign a Master-Servant Contract."
"If you cause trouble again, your death will be very unpleasant."
Ren Kai decided to give the demon god a chance.
With the soul contract restraining it, Crimson Beast would never dare act recklessly.
Once upon a time, the Lava Demon God had been terrifying.
Wherever it went, nothing grew.
Mountains were buried beneath rivers of magma.
Now—
It had been cornered with nowhere left to run.
"Master… please take care of me in the future."
The little red dog sighed helplessly and signed the contract.
From that moment on, Crimson Beast became Ren Kai's servant.
"Good attitude."
"Do you need to return to the magma veins to recover?"
Ren Kai asked.
The soul contract had already taken effect.
With a single thought, he could shatter Crimson Beast's soul.
"I would recover faster inside the magma veins."
"But my body would grow huge again."
"I'd rather follow you outside and see the world."
"I haven't seen the outside world for six thousand years."
The little red dog gazed longingly at the tunnel leading upward.
Meanwhile, on the surface—
The Five Yaksha remained completely focused on the center of the magma field.
They feared another eruption.
Suddenly—
The mountain of magma began to move.
"Hold the formation!"
Fuxuan shouted.
Xiao and the other Yaksha strengthened the Five Elements Formation with all their power.
Even the adepti outside the formation readied their weapons and artifacts.
Then—
Before their eyes—
A giant hand burst out of the magma mountain.
The molten mass exploded apart.
A towering wooden giant leapt out from the subterranean world.
It was Ren Kai's technique:
Wood Style – Wood Golem Technique.
Over a hundred meters tall.
"Look!"
"It's Mr. Madara!"
Vana immediately spotted Ren Kai standing atop the wooden giant.
Beside him sat a tiny red dog.
"Ahem… little sister."
"You should say 'Emperor.'"
Fuxuan corrected her quietly.
Just from seeing the Wood Golem, he realized how unfathomable Ren Kai's power truly was.
The giant samurai had already been terrifying.
Now there was an enormous wooden titan filled with overwhelming vitality.
It completely surpassed his imagination.
The Five Yaksha withdrew their power and dispersed the formation.
Standing atop the Wood Golem, Ren Kai looked at the magma surrounding the area.
The environmental destruction was indeed severe.
He controlled the Wood Golem and pushed all the magma back into the subterranean world.
Under the shocked gazes of the Yaksha and the adepti—
Ren Kai clapped his hands.
"Greening Technique."
The Wood Golem slowly collapsed.
Trees spread outward from its body.
Hundreds of trees took root in the soil.
Within two seconds—
The barren land transformed into a lush forest.
"Holy—Master is amazing!"
The little red dog shouted loudly, its voice cracking.
It was clearly trying its best to flatter Ren Kai.
"Enough."
"Stop acting."
"Just behave yourself in the future."
"You won't be treated poorly."
"Call me Mr. Madara from now on."
Ren Kai looked down helplessly.
After all, Crimson Beast was still a demon god.
It should keep some dignity.
"…Understood, Mr. Madara."
The little red dog nodded seriously.
"Thank you for your help, True Martial Emperor."
"Your methods are beyond imagination."
Fuxuan led the other Yaksha in bowing.
The adepti followed behind them.
"No need for such formality."
"Just call me Mr. Madara."
"The title 'Emperor' is too much."
Ren Kai smiled modestly.
Then Ping'er stepped forward.
She stared closely at the tiny red dog beside him.
"…This little red dog…"
"Don't tell me it's the Lava Demon God?"
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