Ben 10 belongs to Man of Action Studios and Cartoon Network

Monster Hunter belongs to Capcom

RWBY belongs to Rooster Teeth and Monty Oum

I only own my OC and Ultimate forms

Dedicated to Braedey95 and CorJayNelson

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Opening - Ben 10 Ultimate Alien Theme

https://youtu.be/cxUbzV__dUI

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Team RWBY, Jack and Oobleck's airship are on their way to the mission.

"I guess I just never saw you as much of a fighter." Yang asked the doctor. Not professor. Doctor. Oobleck did not take the PhD for fun, thank you very much.

"I admit I fancy myself more of an intellectual, but I can assure you, as a Huntsman, I've had my fair share of tussles." Oobleck replied,

Ruby tilted her head in confusion. "Like the mushroom?"

"Those are truffles." Blake responded.

Ruby is still scratching her head in befuddlement. "Like the sprout?"

"Those are Brussels." Yang said.

"Like Cardin's teammate?" Ruby asked, still confused.

"That is Russell." Jack replied.

"Besides, given my expertise in the field of history as well as my dabblings in the archaeological surveys, our dear headmaster saw fit to assign me to this particular... assignment!" Oobleck replied.

Weiss raised a brow. "What does history have to do with this?"

Oobleck turned sharply on Weiss. "Why, what a preposterous question, you silly girl! Why, history is the backbone of our very society! And the liver! Probably the kidneys, if I were to wager."

"And that means..?" Jack asked.

Oobleck replied, "The southeast quadrant outside of Vale is home to wild forests and deep caves, but it is also the location to one of the kingdom's greatest failures!"

Ruby understood. "Mountain Glenn." She said.

"Gesundheit." Jack said.

"That's right! It was an expansion of Vale... but in the end it was overrun by Grimm and fenced off from the rest of the city." Yang said.

Oobleck nodded. "Correct! And now it stands abandoned as a dark reminder."

Blake narrowed her eyes. "And a likely place for a hideout."

Oobleck adjusts his glasses and smiles. "Precisely!"

The airship comes in over a spot of street amidst the ruined buildings and structures of the ruined area. It hovers right above the ground as Yang, Blake, Oobleck, Weiss, Ruby and Jack all jump out of the craft. Ruby draw Crescent Rose, Weiss readies Myrtenaster, Blake takes out Gambol Shroud, Yang cocks Ember Celica and Jack hovers his hand over the MonTrix. The doctor simply holds his coffee canister and takes a sip. The ship then flies away from the destruction.

"Ladies! And Jack." Oobleck said.

"Hey!" Jack said, annoyed.

"You still may be students, but as of this moment, your first mission as a Hunter and Huntresses has begun! From this point forward, you need to do exactly as I say! Do you understand?"

The team all nod, but Oobleck suddenly looks at Ruby, startling her.

"Ruby! I thought I told you to leave all of your bags back at school!" Oobleck yelled.

"But, uh, you hadn't told us to listen to you yet. So I didn't." Ruby said, causing Weiss and Jack to facepalm.

Oobleck cupped his chin in thought. "She's not wrong..." He told himself. "Very well, Ruby; leave your bag here, we can pick it up upon our return."

Ruby began getting nervous. "But I, well uh-"

Oobleck then interrupted her. "Young lady, what in the world could you possibly have in that bag that could be so important to bring it with..."

He stops talking as the bag's zipper opens and out pops Zwei's head, causing everyone to stare at the uninvited guest.

Ruby, worried, whispered to her dog through the side of her mouth. "Get back in the bag."

Zwei merely barks in response.

"We're here to investigate an abandoned urban jungle teeming with death and hostility, and you brought... a dog?" Oobleck said, seemingly angry.

Ruby gulped. "I, uhh..."

"Genius!" Oobleck yelled. He backs away long enough for Ruby to give a confused shrug before speeding past and snatching the pet away from Ruby, who tumbles to the ground as Oobleck spins Zwei in the air.

"Canines are historically known for their perceptive nose and heightened sense of sound, making them excellent companions for a hunt such as ours!" The doctor said.

Zwei barks happily in his hands.

Ruby, after being stunned for the unexpected reaction, smiled. "I'm a genius!" She said proudly.

Weiss, Blake, Yang and Jack all facepalm at their grinning leader and friend.

"I could've just turned into Great Jaggi or Tigrex, ya know..." Ben replied.

Blake sighed. "So, what are your orders, Doctor?" She asked.

Oobleck, who is still carrying Zwei, looked at the faunus girl. "Ah, yes, straight to the chase; I like it!" He replied.

He suddenly lets go of Zwei to put his hands behind his back for a serious pose. "As you've been informed, the southeast area has been marked as a recent hotspot for Grimm activity. Now, there are several possible explanations for this behavior, one of which being... Grimm." He stated.

Ruby, just as confused as her teammates and friend for the redundancy, asked, "Uh, what?"

"Grimm. A creature of Grimm approximately one hundred yards from us at this very moment." Oobleck replied.

"What?!" Yang practically yelled.

The team turns to look at the lone Beowolf wandering into the street. The team began unleashing their weapons (or in Jack's case, readying a transformation.)

"Stop!" Oobleck yelled.

Jack looked at the doctor "Huh?" He asked.

He lowers his MonTrix arm, like everyone else  lowered their weapons to listen.

"There are a number of reasons why Grimm will congregate in this particular area, the most likely of which will be their attraction to negativity: sadness, envy, loneliness, hatred. All qualities that are likely held by our hidden group harboring ill intent." Oobleck said.

"So... What now?" Ruby asked.

"We wait. We track. If this specimen leads us to its pack, that pack may subsequently lead us to our prey." Oobleck said.

Blake asked, "How long do we wait?"

Oobleck shook his head. "It's uncertain. Hours, days, weeks. Why, lone Grimm have been known to stay isolated from the pack for months - and there's the whole pack."

His sudden realization is true: Five Beowolves are already following the first.

"What?" Weiss said.

"And now they've seen us." Oobleck said, stating the obvious.

"What?!" Weiss practically yelled.

Oobleck came right up to Weiss' ear. "And now they've seen us!" He shouted, causing her to flinch slightly from the loudness.

"I take it tracking them is out of the question?" Ruby asked.

Oobleck nodded. "An accurate assumption, yes."

"What's the plan, then?" Yang asked.

The team turns to their teacher as the creatures close in.

"Show me what you're capable of." Is all he said.

Ruby swings Crescent Rose to prepare it for shooting. "Cover your ears, Zwei!"

The dog does so, curling up into a ball whimpering.

A single Beowolf and a smiling Yang run towards one another, ending with the blonde knocking it out in one fiery punch as they pass. Several stop chasing after the party girl to focus on Blake, who stands and waits with hand on her hilt until one of the enemy swipes at her afterimage, the real deal slicing her would-be attacker in half before slashing through another and cutting down on one more.

Behind the Faunus, Weiss runs from several black-coated beasts before jumping in the air and taking one down with Myrtenaster. She dashes towards them with rapier held high and slays four of them in a straight line until she stops. A wave of Beowolves are converging on Ruby, but the scythe wielder shoots multiple bullets at the oncoming force... while Zwei is busy chasing his own tail. He stops to watch his owner fire forward and then cut the single remaining Grimm in two.

A few more surrounded Ben, as they all try to body slam and dog pile on him, he slams down his Omnitrix, engulfing him in green light.

The Beowolves all dog piled on him...but were all blown away when a massive shockwave erupted from where Ben was. The remaining Grimm looked at the source of the shockwave, revealing Ben has transformed into a 7-foot tall, blue-eyed, red quadrupedal creature that resembles a gruesome feral dog with two fangs coming from the top and bottom of its jaws. Its tail is particularly bony and maybe used as club. The most distinctive feature about is the double set of claws on each leg . and the MonTrix symbol is placed on the left shoulder.

"ODOGARON!" The Cruel Claw Wyvern howls out, his second set of claw coming out to deal deep and heavy damage.

The Grimm all charge at the Fanged Wyvern. The first two Beowolves had their heads decapitated by Odogaron, who swings his tail into two other Beowolves behind. The next three all got decapitated again by Odogaron's doubles set of claws Then, Odogaron  jumps unto a Beowolf and bites with his jaws before ripping the head off, black smoke coming out of the dissolving body as the Cruel Claw Wyvern tossed the head away.

"Heh. Piece of cake!" Ruby said, the fight over. But  Odogaron thought otherwise as he continued clawing on a smoking Beowolf's corpse. Yang cleared her throat to get Odogaron's attention, who sheepishly scratches his head with his claw and turns back to human.

"Do not celebrate yet, for I am certain this is the first bout of many. Shall we continue?" Oobleck replied.

Continue they do, as the team continue fighting while Oobleck is rooting through a plant, Grimm parts fall around him. He is center in the faces of tired team RWBBY.

Jack is currently transformed into Zinogre, who is also tired.

"Excellent work, team! And Jack." Oobleck said.

"Hey!" Zinogre yelled, annoyed again.

"Unfortunately, there doesn't seem to be any signs of criminal operations in this sector. Oh, well! Moving on!" Oobleck added.

As they follow Oobleck, with Ruby sheathing her scythe and beckoning Zwei to follow and Zinogre turning back to Jack, Yang irritably asks, "Hey, Doc, y'know, I was actually looking forward to seeing a 'pro Huntsman' in action. Like, fighting, or at least, helping us fight?"

Oobleck responded, "Ah, but I am in action! Scouring the ruins of this once-great city for any signs of irregularity!" He fully turns to the team and continued. "Not every mission is filled with daring and heroism, girls. Sometimes it's just a heightened form of extermination! Remember, this is a job, and you all signed up for it. I do hope you understand that."

"Well, yeah..." Yang said, trying to sound more resolute with her answer. "O-Of course!"

Oobleck narrows his eyes. "Hmmm..."

Another victory for team RWBY, Jack and their mentor amid the noise of fired shots. Meanwhile, Oobleck and Yang are away from the group.

"Tell me, Yang: Why did you choose this line of work?" Oobleck asked.

Yang turns around. "Huh? Well, to fight monsters and save-"

"No, that is what you do. I want to know why you do it. The honest reason as to why you want to be a Huntress." Oobleck interrupted.

"The honest reason? I'm a thrill-seeker. I want to travel around the world and get wrapped up in as many crazy adventures as I can. And if I help people along the way, then that's even better. It's a win-win, y'know?" Yang responded.

"I see." Oobleck simply said.

Oobleck is sitting on a high windowsill writing in his journal while Weiss fights off Beowolves below.

Oobleck turns to Weiss and said, "And you, Miss Schnee? A girl born into fame and fortune such as yourself certainly doesn't need the extra work. So... why choose this over a cushy job in Atlas?"

After she impales the last foe on her blade and drops the body, she looks at the doctor. "It's exactly as you said: I'm a Schnee. I have a legacy of honor to uphold. Once I realized I was capable of fighting, there was no longer a question of what I would do with my life. It was my duty."

"Interesting." Oobleck simply said.

Blake slashes a door down and releases a swarm of small Nevermores from the building, which she back-flips under before she shoots them all with her blade's pistol form.

As he examines the inside of the doorway, Oobleck asks her, "And what about you, Blake? You seem to carry yourself with a sense of purpose."

"There's too much wrong in this world to just stand by and do nothing. Inequality, corruption... Someone has to stop it." Blake replied.

Oobleck asks again. "Very well. How?"

Blake suddenly cannot answer. "I, Uh..."

Oobleck "Hmm's" to himself, then dashes away, leaving Blake to bow her head in troubled thought.

Later, Ruby is using her weapon in the most practical fashion and lifting a whole turkey on the sharp end of her gun to tease a jumping and flipping Zwei with. Nearby is Jack transformed as Odogaon again. He is simply laughing at the corgi and his owner. That is, until they spot their teacher watching. Ruby quickly sheathes Crescent Rose.

"Sorry! Uhh... Are we ready to keep going?" Ruby asked as Odogaron picks up Zwei gently with his claws as to not hurt or kill him and places him on his head, the corgi barking happily.

"Nope! I believe that will have to do for today. It's going to be dark soon." Oobleck said. He then throws his bag over to Yang, who makes a sound when she catches it.

"You three, set up camp in that building. Oh, and please do make sure there are no more of those... creatures. Your leader, Jack and I are going to secure the perimeter. Come, Ruby, Jack."

They start walking away from the rest of RWBY, who each look at their leader and friend, knowing what they'll be asked.

Or so they thought.

At the building, the team has done as instructed, building a fire in the center of the room and huddling around it or standing up.

Yang broke the silence. "I can't believe we didn't find anything..."

"We've always been fortunate enough to be in the right place at the right time. I guess we can't always have luck on our side." Blake responded.

"That's not what I meant." Weiss said, which seemed off topic.

Blake got confused. "Huh?"

"Earlier, about... upholding the legacy. There's more to it than that." Weiss responded.

"Yeah... No, me too. I mean... I don't know." Yang said.

Blake shookher head. "I don't know, either. I know what I want to do, but I figured I'd always take things one step at a time."

Yang tried smiling. "Well, it doesn't matter. We know why we're here. Right?"

The girls merely stare in silence. Not exactly sure why they are here...

After a few minutes, Ruby, Jack, Zwei and Oobleck returned and Ruby volunteered as first watch while the rest get to sleep. When Yang, Blake and Weiss asked if Ruby and Jack were asked by Oobleck, they said he didn't, which Ruby found weird and actually made Jack feel left out.

The full moon is shining over the ruined buildings of Mountain Glenn, and a lone Beowolf is searching through the rubble. It looks up briefly at the young girl who has it in her red crosshair scope, but Ruby Rose just lowers Crescent Rose and sighs in tiredness at she keeps lookout over the destruction. The rest of her team is lying down on their sleeping mats around the fire with weapons nearby, while Jack is at a corner, slumped down while leaning on a wall and Doctor Bartholomew Oobleck is higher up, slumped down against the wall next to the hole in the ceiling/floor. The three members of RWBY have their eyes closed, but Yang Xiao Long is the first to stop pretending.

"Blake, are you awake?"

"Yeah."

Yang asked, "Why do you think he asked us about being a Huntress? Like, what was he trying to say?"

Blake said, "Maybe he was just curious."

Yang replied, "You think?"

"No." Blake responded.

"Weiss, are you awake?" Yang asked

"Of course I'm awake! You two are talking. And I think he... When I said I wanted to honor my family's name, I meant it. But, it's not what you think. I'm not stupid. I'm fully aware of what my father has done with the Schnee Dust Company. Since he took control, our business has operated in a... moral gray area." Weiss said.

"That's putting it lightly." Blake responded.

"Which is why I feel the need to make things right. If I had taken a job in Atlas, it wouldn't have changed anything. My father was not the start of our name, and I refuse to let him be the end of it." Weiss retorted.

Blake looked at the ceiling in thought. "All my life, I fought for what I thought was right. I had a partner named Adam. More of a mentor, actually. He always assured me that what we were doing would make the world a better place. But of course, his idea of a perfect future turned out to be not perfect for everyone. I joined the Academy because I knew that Huntsmen and Huntresses were regarded as the most noble warriors in the world. Always fighting for good. But I never really thought past that. When I leave the Academy, what will I - how can I undo so many years of hate?" Blake said.

"I'm sure you'd figure it out. You're not one to back down from a challenge, Blake." Yang suggested.

Blake, however, thought otherwise. "But I am! I do it all the time! When you learned I was a Faunus, I didn't know what to do, so I ran! When I realized my oldest partner had become a monster, I ran! Even my Semblance! I was born with the ability to leap behind a shadow of myself; an empty copy that takes the hit while I run away!"

"At least you two have something that drives you. I've just kinda of always, gone with the flow, y'know? And that's fine, I mean, that's who I am. But how long can I really do that for? I wanna be a Huntress, not really because I want to be a hero, but because I want the adventure. I want a life where I won't know what tomorrow will bring. And that'll be a good thing. Being a Huntress just happens to line up with that. I'm not like Ruby, she's always wanted to be a Huntress. It's like she said, ever since she was a kid, she'd dreamt about being the heroes in the books. Helping people and saving the day, and never asking for anything else in return. And I'm not Jack either. I can't save an entire universe. Jack has been a hero since he obtained the MonTrix. Like Ruby, he saves people not because he thought it was fun, but because it was the right thing to do. That's why Ruby trained so hard to get where she is today." Yang ended.

"Well, Ruby's still just a kid." Weiss said.

"She's only two years younger. We're all kids." Blake responded.

Yang shook her head. "Well, not anymore. I mean, look where we are! In the middle of a warzone and armed to the teeth!"

"It's the life we chose." Blake nodded.

"It's a job. We all had this romanticized vision of being a Huntress in our heads! But at the end of the day, it's a job to protect the people! And whatever we want, will have to come second." Weiss ended.

The apparently-sleeping Oobleck has a small smile on his face.