Ben 10 belongs to Man of Action Studios and Cartoon Network

Monster Hunter belongs to Capcom

Kuroinu belongs to Liquid (Novel/Game) and Magin Label (OVAs/Anime)

I only own my OC and Ultimate forms

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Opening - Ben 10 Ultimate Alien Theme

https://youtu.be/cxUbzV__dUI

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In the distance, a town could be seen set aflame, black smoke rising into the air. The screams of this town citizens could be heard as the fortunate innocents ran for from the monsters that chased them, while the unfortunate ones, mainly women, were being raped by the monsters, screams of pleasure and pain could be heard mixed amongst screams of fear as they raped them.

The adventurers and stationed knights there did their best to save as many as they could, fighting off the monsters as the citizens ran, but their strength couldn't match the monsters, as the monsters slaughtered them, showing them no mercy and raping any female they could get their hands on.

In a nearby alley, a young boy is seen hiding and covering his mouth with his hands to avoid making a sound. Tears streamed down his eyes as he helplessly watched his mother and aunt being pinned down and having their clothes ripped off. Their scream sonly served to bring joy to the monsters as two orcs are seen getting their crotches out and aligning them to theirs. The mother and aunt struggled harder but are no match. Any hope of being found or repelling the demons was fading fast, but the young boy silently prayed that someone would come in and save his family and his home.

And his prayers are answered.

A noise similar to a jet engine followed by a screech is heard above and it was getting louder and closer, catching everyone's attention, humans, demihumans and monsters alike. Looking up they saw a red comet-like soaring high from above. Then they're shocked when it suddenly made a sharp turn and headed for their direction. But before they could react several red draconic blasts rained down on the town, hitting any monster with perfect precision and accuracy.

It stops right above them and they were even more shocked to see it was not a comet at all, but a creature. It was a slender dragon-like entity with silver scales, an eagle-shaped head with fin-like projection from its back down to the tail and three horizontal gaps on its chest. Its most distinguishing feature are its trident-shaped wings that released immense amounts of energy. What caught the citizens' attention was the odd hourglass shape of MonTrix symbol on its chest.

"Not my my watch you don't!" Valstrax, the Sky Comet Elder Dragon, declared before firing more Dragon-Element powered balls from his wings, obliterating the orcs, and goblins that he struck while making sure to avoid hitting any innocent they caught.

This caused the other monsters to drop what they're doing and began charging at him with war cries, intent on avenging their brethren. Valstrax's blue eyes narrowed as he hovers down and lands on his feet, cracking his neck. "Bring it on!" He yelled as he raised his right wing up which then morphs into a spear and starts slashing while using his left wing to fire draconic blasts of energy to any demon that gets near him.

Those that did managed to get close find their weapons breaking upon making his scales before getting crushed by his claws, crunched in his mouth or smacked away by the tail.

In an instant the horde's numbers drastically reduced from hundreds to a mere dozen. The remaining orcs and goblins saw it was suicide to fight Valstrax further and their instincts to survive overrides their lust and they began to flee in panic. The Elder Dragon could've chased after them, but he had to stop the flames from destroying the village first and slaps the MonTrix symbol, undergoing another transformation.

The citizens watching them stared in stunned awe as the dark blue flash consumes his body and when it subsides, Valstrax is now another dragon with crystalline blue scales and an upright body. Its head has a crown of tiara-like horns. Ice covered its head, wings, and tail which serves as a lance to stab. The MonTrix symbol placed proudly on its chest.

"VELKHANA!" The Iceborne Wyvern roared, spreading his wings and takes flight. Taking a deep breath, he spews his ice breath everywhere to wipe out the flames while sending chunks of ice down on smaller fires to avoid causing too much damage. When the flames are doused, Velkhana gave a sigh of relief as he descended back down.

He heard crying and looks to that a young boy who was in the alleyway had ran over to where his mother and aunt are and hugged them tightly. They return the favor but they came face-to-face with the Elder Dragon. A tense silence reigned in the air and and some surviving guards and adventurers nearby stood by, ready their weapon in case Velkhana tried to attack them, but he simply stood there silently watching the trio of family in front of him.

"..... Thank you." Seeing he wasn't a threat, the mother thanked him before she and her sister began to console her crying child.

"Just doing what's right." He nodded and took flight. "Now if you'll excuse me, I have some unfinished business to take care of." He turns to where the orcs and goblins had run of, intent on finishing them off to make sure the town would never be raided again.

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Ken

From the balcony of the castle stood Celestine Lucross, a High Elf and the reincarnation of the Goddess Larentia. She looked at the moon high above the sky and pondered on the events that took place earlier on. According to Alicia, her cousin Prim and her entourage were ambushed by imps and Prim herself was captured and about to be raped in the air. However, she was saved by a mysterious man named Jack Andros who was dubbed 'The Monster Shifter', the same person that the Iris Knights Anne and Marie had encountered before and saved the Princess.

While she was thankful for Prim's safety, Celestine couldn't help but be skeptical and curious of Jack and the magical item on his wrist that allowed him to transform into various creatures not seen in Eostia for thousands of years. What's more, Celestine could feel a strong burst of energy in the air from various locations.

Celestine felt like that Jack and the unknown energy sources she sensed are connected in some way, but it's too early to draw conclusions. And she had no doubt that her rival from Garan sensed it as well. It was only a matter of time before would be a race on who would get to either first.

Based on Anne and Marie's reports, Jack was seen stopping by the village he'd saved from time to time. She had given the order to her fellow Shield Princesses to find the Monster Shifter and request an audience from him to see if they can convince him to join their cause.

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Garan

With the savage lands of Garan, where monsters run rampant or seek to raid villages for food and women, lay the Black Fortress, domain of Queen Olga Discordia. The Dark Elf hummed as she sat on her throne, contemplating on the most recent burst energy she had detected near the borders of Garan.

It had all started when a person who was nicknamed 'The Monster Shifter' arrived on Eostia, when Olga got word about his ability to turn into unknown monsters not seen before and during her war with the Seven Shields Alliance. Since then the Monster Shifter had been seen roaming the continent and protecting villages and towns from invaders and either killing hundreds of demons he sets his sights on or imprisoning dark elves.

Despite the increasing amounts of losses, Olga did not mourn or cared for the monsters. These are the same demons that attacked and raped her kind which made them no different than humans that seek to enslave them. After all, they can reproduce in mass quantities with enough women. It was only because of her immense magic that the monsters pledge their loyalty to her, but with her powers waning, it was only a matter of time before they start a rebellion.

That's why she seeks to have an audience with The Monster Shifter and see if she can gain his loyalty him to join her cause. Olga deduced that Jack was only aware of the Alliance's side of the story on how the war started like so many foolhardy humans before him. Perhaps he might be different.

Of course Olga knew Celestine might be informed of the mysterious person and will have eyes on him, so she ordered Chloe and several other dark elves to follow him if they caught sight of him. It was a race to see who would be the first to catch the Monster Shifter's attention.

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Ansur

In a brothel, moans of women and men can be heard in private rooms, this place made to pleasure man or woman .With enough coins, this particular brothel is a favored place to certain mercenary.

Vult, a leader of the Black Dogs mercenary group, is currently enjoying a big-tittied, blonde woman in one of the VIP rooms. As he hammer his crotched into vagina, the prostitute moaned in more pain than pleasure as he is too big for her to handle. Yet he is aware of this and enjoys it, even thrusting harder making the woman moan louder.

After a few minutes Vult finally climates deep inside the blonde woman's womb. Soon he pulls out and she collapses on the bed, gasping for breath. A spell painted above her vagina served as a means of birth control to prevent any woman in the brothel from getting pregnant. Vult himself grins maliciously as he puts on his pants and leaves the room, along with the brothel now walking to his favorite bar.

After reaching his destination he slams the door open, expecting looks of fear and respect as he walks in. Except the occupants inside barely paid attention to him which he finds odd and irritating. As he walks to his preferred spot he hears many of the occupants talking about one thing; the mysterious person named Jack Andros.

He heard lots of talk about this guy, how he's able to transform into various creatures completely alien to them using a magical artifact placed on his arm. The guy had has many nicknames ranging from Azure Transformer to Knight of Larentia. However, the title 'The Monster Shifter' was commonly used given it was the very name Jack himself declared.

There are many reaction since his appearance. Many were happy since he patrols villages outside of kingdoms or neglected by nobles while some where skeptical about his motives, unsure if he was plotting behind the shadows while maintaining a heroic facade. However, all of them had one thing in mind:  Why does he transforms into unknown creatures rather than something positive-looking like a knight?

Some theories suggested that his magical artifact came from a bygone era that took place long before Larentia blessed the continent with her presence. While some such as priests and worshippers proclaimed that due to Eostia losing ground against Olga thanks to the monsters reproducing at a much faster rate, Larentia decided that Garan would get a taste of its own medicine and summoned a mortal with the ability to turn into monsters to in the hopes of turning the tide.

"Bah!" Vult scoffed and chugged down his drink. His opinion of this Monster Shifter was very low. All that power and he decided to play heroes and villains with it. In his mind, Jack was not worthy of such praises, glory and all that.

And besides, he's still only one man. It's not like he has a transformation or two that lets him take on tens of thousands of monsters at once.

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A goblin wielding an axe clutched the handle of his weapon like his life depended on it which is true as he hid behind a rock, his whole body shaking from fear while explosions and screams of pain reached his ears. Glancing at his side, he saw several other goblins hiding in bushes to avoid getting detected.

The surviving orcs and goblins retreated to their base in the form of an abandoned castle where they had a thousand of their kind in waiting and were in arms ready to kill the person that slaughtered their brothers.

Unfortunately for them, in their haste to escape, they were being tailed by Jack from above despite being in broad daylight and in doing so, had exposed their base.

The only warning they got about being found was a roar that was similar to an air raid siren before explosions rocked the castle. The demons patrolling outside were killed instantly while those inside the castle were crushed by falling debris. To make things worse, the aggressor was high up in the air so their weapons and arrows are unable to hit it.

The creature responsible was a massive wyvern-like with a large wingspan and a bulky upper body. Its body is covered in thick, bronze sheen scales, and had loose scales hanging from its underlines which resemble pinecones and are the things that go off like bombs. It had yellow and the lower body was glowing orange. The MonTrix placed on its upper right thing.

Bazelgeuse, the Explosive Scale Wyvern, lets out another roar as he flew overhead the ruins of the castle, dropping off more of his bomb-equivalent scales unto the castle, causing them to go off as explosion killed more orcs and goblins who're unable to escape from the blast radius or fight back.

It took an excruciating hour passed before all was silent. The goblin peeked his head out of his hiding spot and saw the devastation that was left behind. Bloodied corpses of his brethren lady everywhere and many weren't even in one piece. The castle was all but destroyed and those that survived the bombing are likely trapped inside and alive.

He glanced at the others and without hesitation, he and the other goblins came out of their hiding places and began to make a run for it to the forests of Garan. The goblins hope they can fins a new tribe to stay and grow large enough to make another raid-

Just as the air raid siren like noise came back. They looked up and are shocked to see Bazelgeuse dive bombing towards them, his skin glowing orange. Bazelgeuse was just flying high above to see if some survive which he eventually spotted positioned himself.

"HEEEEEEEEEEEEEERE'S BAZELGEUSE!" He declared and the only thing the goblins can do is let out horrified screams before the Explosive Scale Wyvern slams into them, his sheer weight crushing their petit bodies into pancakes with the following explosions ensures to double-tap that weren't killed by his weight.

A/N: Should I add other hentai characters here just to expand the worldbuilding a bit? Like seriously Kuroinu and Taimanin got their own fanfiction section compared to other hentais.