In the end, the nameless demon chose the spear.
Even in the history of the strange version of humanity he found in Jace's memory, the spear was the King of Weapons.
It helped that one of the major pieces of equipment he sought to gain in the future was a spear.
He held the rather heavy weapon in his hand, feeling the strain already.
The butler's voice appeared as if right next to him, "Infuse it with your energy."
The nameless demon did as he was asked, and the spear shrank into one befitting his size, rather than the behemoth it had been earlier.
As he exited the armoury, the butler looked at him with a hint of....nostalgia?
The unasked question was answered as the butler said, "The spear was the first true weapon I ever held. It is easy to learn to fight with a spear, but due to it's versatile nature, nearly impossible to achieve Mastery over it."
The nameless demon felt that his choice of choosing the spear was satisfactory, and let out a small screech.
The butler led him to another room and stated, "This shall serve as your lodging. You are to arrive at the training grounds outside at the second crow of the cockatrice tomorrow morning."
"Ensure your presence, or I cannot guarantee your survival."
With that ominous warning, the butler left, as silently as a cat.
The demon entered the room, and was greeted with opulence.
A huge bed.
Drapes lined with gold.
Gem encrusted curtains.
The whole room simply oozed 'Wealth'.
'As expected of a Demon King', the nameless demon thought to himself while nodding.
The first thing he did, was bathe. Seeing the weeks of grime, blood, poisons and the like flow off his body made him shiver at his previous state.
He paused suddenly, 'Since when did I ever care about such things?'
He held vivid memories of tearing into his 'siblings' with his bare hands, and he never cared about their brain matter splattering onto him before.
'How.....human.'
He parsed over the last few major events in his mind.
'It all lines up too perfectly.'
'Is this the effect of that creature hidden away in the Seventh Heaven?'
'Or perhaps the Book of Fate?'
'The latter is unlikely, as it should not notice the effects of something as powerful as the being that brought me into existence.'
'The probability of being targeted by that creature at random is much higher.'
The Weavers.
They went by many names, but in Heaven, they were primarily called the Eaters of Destiny.
They toyed with a being's fate to their heart's content, until finally deeming them 'acceptable' to some unknown criteria.
'How.....infuriating.'
The demon fell asleep standing with those as his final thoughts before slumber.
.........................................
He awoke at the sound of an unholy cacophony playing in his ear.
The screeching sound began permeating through his body, as blood spurted from his seven orifices.
Even the demonic essence in the air was shaking wildly, inhibiting the demon's regeneration.
Just when the nameless one was approaching the brink of death, the scream was shut off.
As his impish body lay bleeding out, the nameless demon gasped for breath, as painful as it was.
'T-The first crow of the cockatrice.'
'I can't survive the next one!'
He had no idea when the cockatrice would crow again, but he stumbled to his feet, using his spear to support himself as he dragged himself out of his room and hobbled outside as fast as possible.
Even now, his body was healing itself due to the influence of higher grade demonic essence available in the air.
He reached the training ground just in time to see the old butler, when the dreaded scream began again.
The nameless demon braced for the next screech, but the screech was met with an abrupt end.
He looked up to see the butler standing before him, "You have arrived, just barely in time."
The butler took off the suit he was wearing, revealing a body no creature that looked as old as he did, should have.
With a simply flex of his demonic essence, a random training wooden spear flew into his hands.
The butler stated, "Your task is simple. Survive."
The nameless demon knew he could not survive if the old butler was serious.
However, he still held the spear forward, wanting to at least try.
Before he could even perceive it, the nameless demon was cut into pieces.
He jolted as he realized it was simply the butler's Intent.
He had had a vision of his death, just from the butler's Intent ot kill.
Then in the next blink of the nameless demon's eyelids, the vision came true, as he was cut into pieces.
His consciousness was pulled back just before it's erasure, as his body knit together again.
The butler said impassively, "Again."
The nameless demon resigned himself to his misery, 'This is going to be a long day.'
.........................................
After the 300th 'death', the nameless one began to sense where the blows would come from, before they even landed.
The butler congratulated him on his newfound ability to sense Inner Intent. and continued slaughtering him.
After the 500th 'death', the nameless demon managed to swing his spear in response, but 'died' before the spear even moved a full inch.
He switched to jabbing with the spear instead.
The butler did not spare him for any reason such as fatigue.
He simply cut him apart, over and over, mindlessly.
After the 2000th death, the nameless demon managed to block the first spear strike, though only due to the butler putting close to no strength in it.
The next second he was atomized again.
After the 3000th death, the demon managed to redirect three blows in a row, before succumbing to the speed of the butler.
With every new swing of the spear he attempted, he felt an unknown feeling burgeoning within him.
Instead of blocking, he redirected the blows smoothly.
He began sacrificing an arm strategically, instead of just dying.
He began to sense the blow, not just with his instinct, but with every sense available to him.
To feel the wind being moved by the spear.
To hear it.
He tried everything, throwing dirt, spitting, ussing his own blood, using the acid tetrahedron, and yet nothing worked.
He did not despair.
'Simply try again.'
That was his only thought.
The butler suddenly stopped and said, "You have fully learnt to read open Inner Intent at an astonishing speed."
He finally thought it was over.
Until.....
"Now we shall learn to read concealed Inner Intent."
The nameless demon felt as blind as when he had started, unable to sense where the blow was coming for.
After the 5000th death, he learnt that just before an attack landed, one particular place would be shrouded completely, meaning his instinct could not sense that area at all.
He began adapting.
After approximately 20,000 'deaths' at the butler's hand, the butler ceased moving.
"Now, try to counter attack. Experiment, if you wish."
"If you gain any bad habits, I shall cut them out of you."
And so began another round of torture.
He was solely surviving on demonic essence, and he could feel his body adapting to it quickly.
His wounds were healing slower, and he was feeling more and more hungry.
Now with a time limit, he desperately tried swinging, stabbing, and even tried to whack the wooden part on the butler, to no avail.
After an uncountable number of 'deaths', the butler finally stopped, as the fresh wound on my cheek did not heal.
"You are ready for evolution."
While I could feel my hunger acutely, I also had a conflicting, bloated feeling.
The butler said, "Come. The Patriarch awaits."
After what seemed like eternity, I finally stopped fighting for survival.
I looked at the spear.
It was drenched in my blood.
I was holding it so tightly, it seemed to be fused into my hand.
As we walked towards the Patriarch's office, the butler said, "While it is crude, you have managed to enter into the first rank of Spear Mastery."
"Congratulations on becoming an Initiate, young one."
We entered the Patriarch's room, to be greeted by the sight of mounds of papers.
Dozens of pens were being controlled by demonic essence at once to sign off on the piles of documents, as the Patriarch walked out form behind the mountain.
He looked down upon me and waved the butler away.
"An Initiate already? It seems my choice was not wrong. You were worth the 500 demons sacrificed for your training."
'Sacrificed?'
The nameless demon wondered to himself.
Amon finally revealed the real reason he had called the nameless demon.
"Do you know why I was so desperate for a genius?"
The nameless demon shook his head to indicate a no.
Amon revealed the plan known as the Decapitance plan.
To have a young, talented demon be disguised as a human by a Devil, and then summoned into the human realm.
Aforementioned demon would then join the human in the fight against demons, be right under the noses of the gods, and feed information of a higher level than the current information flowing into the Nine Hells.
A plan to make a demon, into humanity, and the gods', greatest Hero.