Hero of Darkness

For the first time since he got it, Kahn was now using the Hero of Fire's divine weapon aka Amaterasu. 

Currently, he only had partial ownership of it and the Divine Weapon itself hadn't completely submitted to Kahn as if it had a sentience of its own. 

Kahn couldn't even store it inside his Dimensional Domain because this thing would literally burn everything and everyone it touched. 

Thus, Kahn could only keep it inside the True Dimension and subconsciously carry it with him since even the laws of space couldn't destroy the divine weapon. The plus point here was that Amaterasu also couldn't harm anything from the real world. 

The only problem here was that the current Kahn couldn't use it for more than one attack based on his current control on the weapon and his rank. 

If he had complete ownership… maybe he'd be able to use it just like Axel did during their fight. 

[Dammit! It's already pressuring my soul and consciousness.] thought Kahn as he felt a mountainous burden on his entire being. 

[Don't worry, kid. 

I'll help you use it. But still, it has to be your own Soul Essence to make the attack.] spoke Rathnaar. 

Kahn did not know how to use his Soul Essence or harness it to use a Divine Weapon since he didn't have his own. Plus no one had taught him anything about it. And this wasn't the time to start learning it either. 

[System, allow him to take control of only the required portion of my soul essence.] ordered Kahn vigilantly. 

Rathnaar then took control of a small 10% of Kahn's soul which the latter allowed through the system. 

Suddenly, a massive 100 meter tall archaic formation appeared ahead of Amaterasu and emitted a terrifying aura of a godly creation. 

[Oliver, now!] he commanded hurriedly. 

Oliver, who was maintaining the Sky Domain distance for a while and flying 10 kilometers away in the sky, finally reacted. 

He used Neith bow and suddenly, a 100 meter long and glowing white phantom bow appeared in the sky. 

A blue lightning element arrow appeared. And at the tip of the arrow, was a 5 meter tall white orb made of mystical energy. 

Shoot! 

Oliver shot the arrow at the speed of light, breaking the sound barrier in succession. 

BOOM!! 

This time, Cthulhu's ginormous body itself became the biggest disadvantage and the arrow struck its back. 

Bang! 

However, the attack didn't even hurt the floor boss because it had a perfect defense against lightning. 

But the next moment… 

SHRILL!! 

The white orb that came with the arrow suddenly let out a shrilling noise and exploded. 

Even Cthulhu's 3 kilometers tall being faltered in its steps, almost dropping to its knees as aftermath. 

Soul Distortion!

This was one of the unique skills for Oliver. Although Kahn could use it… Oliver was just many times faster and more effective compared to him. 

The Cthulhu lost control over its body as its soul was damaged. This was the type of attack its instant regeneration skill couldn't recover from easily. 

And finally… with visible pain on his face and beads of sweat dripping from his forehead, it's entire body stopped moving. 

Nonetheless, this was a window and the perfect situation for Kahn to attack. 

Shoot!! 

BOOM! 

A massive white superbeam attack that could pulverize mountains, was instantly launched from the archaic magic formation and hit the Cthulhu's torso region, incinerating everything in its wake and creating a 100 meter wide hole in its chest while the right side of the torso including the arm and shoulder were simply obliterated. 

Sizzle! 

Crackle! 

And unlike before, even the instant regeneration was failing to rapidly recover the burnt flesh, a feat even the Dragonfire couldn't achieve against Cthulhu. 

[Ronin, now!] commanded Kahn quickly. 

Just then… Ronin, who had been using Existence Concealment since the battle began, appeared inside the massive chest after he used Phase Shift to bypass the stormy barrier made by Cthulhu, completely uninjured. 

His gaze landed on the beating heart on the left side of Cthulhu's remaining torso. 

BOOM! 

A shockwave was released as he took his mythical rank form and using his 50 meters long arms, he pulled out the 100 meter tall blue and spherical heart from Cthulhu's body. 

But without wasting another moment, he quickly threw it towards Omega, who had switched to Moonlight Armor and raised his speed by 4 times, to appear close to the floor boss instantly. 

Omega pointed his left palm towards the heart that was flung in his direction. 

Gravity Extraction! 

Omega used his newly created skill for the second time so far and pulled the core towards him instantly using his gravity law skill. 

Ronin on the other end quickly jumped out and the hole itself was healed and closed. Yet, hundreds of fleshly vines and tentacles flew after the heart, trying to get it back. 

[It's just like the system said.] thought Kahn with an expectant gaze. 

This was the 2nd unique ability Cthulhu had which the system warned Kahn about. 

Cthulhu could survive without its heart for many hours as long as there was some sort of intangible connection between them. 

On top of it, could even break its own heart and the core into pieces and then absorb it back inside its body, regenerating it easily. 

This was a power that was not found even in any descendant monsters of Godbeasts. 

Making it even more difficult to kill even than the Elder Hydra. 

Back to the present moment. 

The heart was instantly shot at light speed towards Kahn who flew 5 kilometers away in the sky and was already prepared. 

"All right. I leave this to you guys now." he said. 

Using his saint pressure like the Force, Kahn stopped the heart midair and deactivated the Dimensional Domain while pulling the heart inside his pocket dimension. 

ROAARRR!! 

The Cthulhu was furious and went into a frenzied state and flapped its wings to fly towards Kahn. 

Given his size, it only took it 12 seconds to cross 5 kilometers of distance. But before it could attack… 

Kahn let out a devious smirk and quickly created a Dimensional Void and entered inside. 

And just like that… The connection between Cthulhu and its main source of power aka the Core was severed. 

With the heart and body connection severed… the mythical rank boss went berserk, losing its rationality. 

BOOM! 

BANG! 

Swing! 

It started attacking all the subordinates frantically in rage. 

And because Dimensional Domain was removed, most of its strength returned, making it even more dangerous than before. 

Omega and Rudra were no longer its match so all they could do was run around and dodge its attacks. 

For the next 3 hours… all the generals, Omega and Rudra could only run away, dodging and evading the attacks from the flying boss that was using the remainder of its world energy to attack them. 

But suddenly… 

GRRRR!! 

Cthulhu groaned in exhaustion and its body started becoming docile. 

As time flew by… it couldn't even move properly as if it no longer had any energy to even take a single step. 

Thud!! 

Finally, its titanic body dropped on one of the 1 kilometer widespread stone platforms in the open sea, its breathing becoming slower each moment. 

Another 30 minutes passed. None of the subordinates even attacked it and instead, they spectated its last moments from afar. 

Without using any over-the-top battle skills, causing explosions and destroying the battlefield… they strategically dominated the battle and let the enemy run out of its life force with time. 

Finally… the floor boss' glowing red eyes turned dim and became pitch black. 

The mythical rank boss Cthulhu, an existence that none of them could defeat on their own… had finally died. 

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