Possession

Story by Nayar Leng on SoFurry

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A Demon King appears in the world and rapidly invades the northern human Kingdoms putting their population in slavery, but a new hope is born within the barracks, a Hero with the mark of a God who is meant to defeat the Demon King. Years later, after the child has grown into a man, the Demon King becomes aware of him after he defeats his troops one after another, which puts the sovereign on edge looking for a way to end the menace.


Three decades have passed since the current Demon King unified the various tribes and set out to conquer the human kingdoms. Though he was not known for his strength as a warrior, he was known for his intelligence, strategic ability, and incredible magical power; traits that, from a demonic or elven perspective, quickly propelled him to the Onyx Throne.

Once the demonic realm was strengthened, the king moved southward, where the numerous kingdoms of humans and other humanoid creatures were located. He took advantage of the fact that these kingdoms, especially those farther north, known as the Northern Belt, were constantly at war with each other, making them easy targets for his invading hordes. He was not kind to the people who inhabited these lands, one part of the population was massacred, and the other was put under the yoke of slavery.

The news reached the southern kingdoms immediately, and unlike their neighbors in the Belt, they quickly organized themselves, putting aside their few differences and forming an alliance. Thanks to this, they were able to resist the onslaught of the demon troops, but they knew well that such resistance would not last long; the enemy was powerful and their king an excellent strategist. Even with the help of the elves, they could not withstand the siege of the Onyx Throne indefinitely.

A few years after the invasion of the northern lands, a new ray of hope was born in the slave barracks: a child bearing the mark of the god Valnet was born at dawn on the first day of the year. The few wise men still alive quickly hid the mother and child and helped them cross the border into the southern kingdoms. It was of the utmost importance that the child lived, for he was to become the Hero of mankind.

The years passed and the child grew up healthy and strong, trained in the arts of combat, magic, and war. He needed to be prepared for anything, for the weight of humanity's survival rested on his shoulders. At the age of 20, his mission was revealed to him, and he accepted it without hessitation. Along with other companions, he embarked on an adventure to the dark lands of the north, to the city of the Onyx Throne, to overthrow the Demon King, liberate the Northern Belt, and restore peace.

The Demon King learned of the Hero's existence after one of his troops suffered a crushing defeat in a border enclave. At first, he thought nothing of it, confident in his power as a strategist. Day after day, however, more defeats reached his ears and less territory remained under his control. He also heard of the warrior and his group's impressive abilities, both physical and magical, which increased his concern and caused him to retreat to his quarters from time to time.

Days turned into weeks, and weeks turned into months, and by the end of the winter, the first of the kingdoms of the Belt had been freed from the control of the demons, which led to the reconquest of the other territories. This time, the humans were better prepared, they knew the enemy's tactics, and they had even developed magic against demonic spells, thanks to the help of the elves, as well as the research done on the demons' grimoires and the magic observed during the battle.

After five years of fierce battles, the humans and the Hero's party managed to drive out every last demon from the human lands, but the war did not end there, both the Hero and his party had to

travel to the enemy lands to put an end to the Demon King, for they knew that if they did not do so, the misfortune would repeat itself.

It was a hard year, despite their strength. Fighting the demon hordes alone was exhausting, but to rid the world of this calamity, they were willing to face any danger, so they continued in a straight line toward the castle where the Onyx Throne was located.

On the other hand, the main generals looked nervously at their king, who spent more and more time locked in his rooms reading old books, almost to the point of crumbling at the slightest touch, but he said little about his actions, only talking about how to prepare for the possible siege of the castle by the Hero and his group, as well as small actions to slow their advance as much as possible.

“I'm almost there” was the phrase the Demon King repeated most often when his even more impatient generals asked their master what he was doing in his quarters.

The Hero and his party arrived at the Demon King's castle on New Year's Eve. His generals asked for orders and what to do.

“Mobilize all remaining forces against them, and stop them as much as possible," said the Demon King, without a trace of fear or concern on his face.

“Will he use the time our troops gain to escape?” one of his generals asked worriedly.

“Absolutely not," the Demon King replied confidently, "I will stay here and fight to the death if necessary.”

All the assembled generals were moved by their lord's resolve.

“Then we will also stay with you!” cried one.

“No," cried the king quickly, "you may go.”

“Not at all!” cried another, "We will stay with you to the end.”

“I said leave, it's not a request, it's an order” “The Demon King's face darkened, and his voice was as cold as ice.

“But, Your Majesty..." the generals pleaded.

“I said go away!” he thundered. Quickly, the generals fell silent and did as they were told.

The Demon King remained alone in the throne room. Beyond the great ebony gate, the shouts of his soldiers could be heard as they battled the group of Heroes. The power of magic was palpable, as was the clash of steel against steel. It was only a matter of time before the Hero climbed the stairs and broke down the gates to face him.

A clatter broke the almost absolute silence of the throne room. As he had expected, the black leaves of the gate fell to the floor in pieces, leaving behind the silhouette of a man in armor, worn from the countless battles he had fought. The man moved slowly into the hall, his footsteps echoing loudly with the clash of metal against stone.

“Your time has come, Demon King!” the Hero proclaimed, pointing his long sword, forged by dwarven smiths and enchanted by elves, at the man sitting on the Onyx Throne.

The king did not flinch in the least, he simply raised his right hand, uttered some unintelligible words that made a magical circle appear in front of his raised hand, and immediately shot a bolt of energy at the Hero. The Hero tried to cover himself with his shield, but the spell easily passed through him, though it did not seem to hurt him.

“Looks like you missed somehow," the Hero taunted, pointing the sword at his enemy again. The Demon King didn't answer, he just laughed and made a spear appear out of nowhere.

“I see that you don't beat around the bush and get straight to the point," the Hero brought the sword closer and swung it with both hands, taking an attacking stance. The Demon King, for his part, picked up the spear that had been floating in the air until that moment, rose from the throne, and slowly descended the steps of the small staircase that held the throne. Once down, he grabbed the spear with both hands and lunged at his opponent, who blocked the attack with his sword. The Demon King stepped back a little, just enough to keep his opponent within reach.

“Good reflexes," the king admitted.

“You're pretty weak for a demon," the Hero sneered.

The Demon King said nothing, just smiled, raised his arm, and a magic circle appeared above him, immediately a light surrounded him and his body glowed several times.

“Let's see if I'm more up to your expectations now” The Demon King threw himself at the Hero again, and although the Hero blocked the attack once more, his feet went back a little due to the impact. The Demon King did not stop, he launched lunge after lunge, moving back and forth, either on the ground or in the air, always keeping his distance, but the Hero stopped each one. The room was filled with the sound of metal hitting metal as sparks fell to the ground from the clash of the two weapons.

In an instant, the Hero went from defensive to offensive, making a quick run to close the distance between himself and the Demon King, but the Demon King made a perfect pirouette to evade the attack. The Hero was not discouraged, he knew that if he could keep a short distance he could win, so he continued his attacks.

The clash of arms went on for a long time, both sides fairly evenly matched, with no clear prediction as to who would win. Until, as fate would have it, the Hero found an opening in his enemy and quickly plunged his sword into his heart. The Demon King realized his mistake too late, and though he tried to dodge it, he failed. The steel of the sword found the soft flesh of the demon's chest, pierced it, and sank to the heart. Blood began to gush from the wound, the Demon King screamed in pain, a few drops of blood were spit out, and the sword had already pierced one of his lungs. He dropped his spear to the ground and fell to his knees, while the Hero pulled his sword from his chest, making the wound even worse.

Black blood spilled on the ground, the Demon King leaned on his hands to keep from falling all over the floor; in front of him was the Hero, a victory smile on his face. It had been easier than he thought,

on his journey he had encountered demons stronger than this one, perhaps if it had been a magical duel it would have been more challenging.

“This ends your reign of terror," the Hero said.

“Ha, it has only just begun," the Demon King said between exhalations, the strength in his arms having left him and he was completely sprawled out on the ground. Suddenly, a black energy shot out of his chest towards the ceiling of the hall. The energy was so thick that it had condensed into black smoke.

“What did you do?” the Hero asked in alarm. At that moment, strands of black smoke descended upon him, enveloping him and holding him by his limbs.

“I knew before that I would not win against you," said the Demon King, "that is why I stayed all this time, studying every Grimoire there was to find a way to defeat you, or at least save myself to come back stronger if possible.”

The Hero struggled to free himself from the tentacles but to no avail. He cast several spells, but it was in vain.

“Don't waste your energy, this is ancient magic, no spell can fight it," the Demon King laughed, "as I told you, after much research, I found a lost spell that allowed the user to move into another body when their own died. The spell I cast on you when you entered the room was exactly that, the battle was decided before it began, this battle was nothing more than a theater...”

The Hero tried to speak, but one of the tentacles entered his mouth, forcing him to groan. Other tentacles descended and worked to remove his armor, which fell to the ground with a shocking noise, and then his clothes, until he was completely naked.

“I don't think I'll need any of that when I'm done with you," the demon explained, his voice sounding weak, "Let's start by making some changes to this body.”

No sooner had he said that than the Hero felt an influx of energy into his body, it burned like fire itself, spreading quickly throughout him. He writhed in pain and closed his eyes, trying to free himself again, but the tentacles prevented him from doing so. A few moments later he felt something strange in his legs, especially in his feet. His thumbs, little fingers, and forefingers retracted, while the remaining two lengthened, as did his tarsal bones, which also decreased in number. Gradually the arrangement of their feet changed to a less plantigrade configuration, the thumbs disappeared, and the index and little fingers were reduced to mere remnants, but the nails of the remaining toes grew and hardened, gradually transforming into hooves. The hair on the legs increased in density and length until it became a dense layer of black hair that covered the entire area below the waist.

A new sensation of pain appeared just above the buttocks, where the back gives way to it. The Hero felt something stretching and pushing the skin of that area outward. He grunted in pain as a new appendage appeared in that zone, it started as a small bump, but then it became longer and more flexible, the new appendage stretched and became more elastic, at first it was hairless, but that did not take long to change, as soon as it finished growing, a layer of hair began to cover it, ending with a long tuft at the tip.

“Nice tail you just won," the Demon King laughed, this time his voice seemed closer, as if it wasn't coming from the body lying on the ground, but almost whispering in his ear. The Hero groaned, the tentacle still in his mouth.

The next was on his back, right where his shoulder blades met. A pair of protuberances formed in that area, protuberances that quickly expanded into a pair of appendages, first showing a division in the middle to form a joint, then branching at the tip into five appendages: a claw and four thin, elongated fingers, the area between them filled with a thin membrane of skin, almost translucent. He had acquired a pair of wings that, when fully extended, were three times his height.

Then calcium deposits began to form on the Hero's frontal bone, though this time, unlike when the tail and wings had formed, these deposits were nothing more than horns in the making, and as they grew, they pressed against, then pierced, the skin covering them. Streaks of blood spurted from the wounds and ran down the forehead to mingle with the tears of pain and helplessness the Hero shed. The horns continued to grow, both in length and width, their bases reaching the size of a clenched fist while the tips, after reaching a certain length, bent backward and then forward again.

“Well, your body is already that of a demon’s” the Demon King's voice whispered to the human, this time not coming from the corpse on the ground but from his right ear. “But there is still enough magic left to change your body even more, to make it worthy of a king.”

The Hero grunted again, confused, but immediately felt a new wave of energy sweeping through his body, causing his muscles to tense as if he were undergoing an enormous physical effort, like an intense training session. His muscles constantly contracted and relaxed, his breathing rate skyrocketed, as did his heart rate; with each inhalation, his muscles grew in size. In addition, his growth lines reopened, so that he not only grew in thickness but also in height. Gradually, he grew from nearly 1.80m to 1.90m, 2.00m, and finally to 3.50m tall.

His already athletic figure changed with his height. With each inhalation, his chest expanded both forward and sideways, quickly becoming a barrier that prevented him from looking down. His pecs became so bulky that his hands were not large enough to fully encompass them. They quickly grew to such dimensions that they fought for space with his arms at his sides, but only for a moment as his shoulders also grew, enlarging his chest.

Trapezii became a pair of mountains on the sides of a thickened and veined neck, shoulders became fleshier and rounder, biceps, and triceps exploded in dimensions, quickly doubling, tripling, quadrupling in size, as did forearms, his already powerful arms gaining enough strength to pulverize blocks of stone in moments, veins becoming more prominent to send the precious nutrients needed to nourish such portents. The hands also grew, though not delicate from the hard training he had undergone, they became massive, his fingers taking on the thickness of the former thumb, the nails becoming sharp and black, perfect for tearing flesh.

His already toned abdomen gained three pairs of abs as big as bricks and as strong as titanium. His back widened considerably, making him look more like a wall than a living being, and deep valleys appeared on his surface, their peaks formed by the uneven back muscles.

“That's a body worthy of a king!” the Demon King shouted, no longer whispering in the Hero's ear, but in the Hero's head “Now it's time to take control.”

“No!" the Hero shouted from his mind, but ghostly hands grabbed and held him, then dragged him deep into his subconscious. Once there, a metal cage materialized around him, the bars sprouting from the ground and, as they gained height, bending toward the center and then merging at the ends, closing the prison.

“Let me out!” the Hero demanded, shaking the bars. His face was filled with fear and desperation, but the Demon King's figure, which had already materialized in front of him, just smiled maliciously.

“Be thankful that I did not eliminate your essence, but locked you in this prison so that you can witness what I will do with this body," the ruler laughed, "Enjoy your stay, witness how I will once again subdue the human lands and even extend my dominion beyond them.”

In the real world, the Demon King left the throne room and headed to where the battle between his forces and the Hero's companions was still raging. The battle was nearing its end, with the Hero's companions emerging victorious. The Demon King watched the scene intently.

“Watch what I'm going to do to your friends," whispered the Demon King.

“No, stop!" the Hero cried from his prison. But the Demon King did not heed his pleas, instead casting one of his spells against the Hero's companions, who were still unaware of his presence. Hundreds of bolts of lightning struck the unsuspecting friends, who could not withstand such power and fell dead to the ground. The Hero screamed again at the sight of his companions' corpses, he screamed and cried, he tried once more to break out of his psychic prison, but all he could hear was the Demon King's mocking laughter.

“This is the best punishment I could give you, it is even worse than death itself” laughed the Demon King, then he summoned a new magic circle “Come to me, generals, I have just defeated the Hero and his followers, it is time to resume our plans of conquest.”

The demonic forces quickly regrouped and attacked the human lands. Despair soon seeped into the hearts of the people as they learned of the Hero's defeat at the hands of the Demon King. Dark times were upon the world, with no hope of salvation.

Nayar Leng