Oh this is excellent.
We need sequels.
...but it's almost time for sleep Omake Bug! Please, have mercy - GUOUCH!
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DoofQuest The Shonen Anime
Episode (???): Legacy
The scene opens with none other than Temujin, standing out on the balcony of Doofenschmirtz's Iconic Tower of Evil. As the wind blows, a phantom flies down from Mount DoofHawk. It lands next to him, a wicked gaze eyeing the ancient warrior.
"So. You're *my* ancestor," The warlock spoke at last. "To think, your conquering ways and evil spread even to the Holy Roman Empire. I must give you credit, to have gone as far as you did without so much as a cantrip. You really do have Evil in your soul."
"Evil." Temujin says calmly. "You and our descendant place a lot of stock in a word so reviled. Many people called me evil, I must admit. A blight upon their land. But I had my reasons, as does our descendant - even if he doesn't realize it."
The warrior turns to the phantom Warlock. His gaze sees right through the already translucent master of magic.
"What I don't know are yours."
Malfenshmirtz has an unholy, wicked grin on his face. In his aura is the silhouette of something absolutely vile. A monster that in one timeline had been banished, in another reigned eternal, and was yet to even be in this one. The monster Malfenshmirtz had contracted to gain his unholy power.
"Wouldn't you like to know?"
The two are interrupted by the sound of someone climbing up the stairs. Temujin turns from looking at the stairwell to see Malfenshmirtz floating backwards back to the place of his proper haunting.
"You'll have your little chat, but soon will come the time for me to train him in *my* ways, Temujin!"
He laughs wicked and fades into the distance. The Mongol sighs, for a brief moment looking every bit the image of an ancient warrior that people would imagine. But such weakness would not do now.
Temujin regains his proper posture as he turns, seeing Doofenshmirtz step onto the asphalt.
"Temujin!" He waves enthusiastically, a vestige of innocence rising to the surface that no one could ever stamp out. "I heard you wanted to see me?"
The Mongol nodded as he planted the weapon he had brought with him into the ground handle-first. The axe's weight, though still cracked the roof a bit.
"Heinz. My legacy and seed had been spread far and wide, both before and after my death," The Mongolian rumbled softly. "While you have my loyalty, what shall come today has been a decision I've been making since I came back."
"Huh? What do you mean?"
"I have many choices for an heir," The man explained simply, his eyes not once being taken off of the unassuming man before him. "But today I'll know for certain..."
Temujin - no, the Khan of Old - picks up his weapon and swings it with one hand. The sheer wind from that one swing briefly clears a patch of smog from the sky before it is replaced again by the scientist's inventions. Genghis Khan narrows his eyes as he judges and steels himself for what shall happen next.
"...if you're the one to bear my mantle!"
In one eyeblink to the next, Genghis Khan closed the distance to Heinz. But he had trained his descendant well, and his strike had been deflected instead of blocked. It still no doubt hurt, but it was a testament to the training that the pain did not show on the CEO's face.
'Good,' The Khan thought. 'That means I can fight him properly.'
The ground cracked and groaned, the force building up before exploding as the two fighters went at it. The Khan's broad swings devastated the rooftop in seconds with gouges from blades of sharpened air as Doofenschmirtz ducked and weaved, striking out with increasingly powerful punches and kicks at the exposed areas.
But even as the force multiplied, it did no good. The second they threatened to cause any meaningful damage, an aura of power surrounded the Khan of Khans that negated the blows entirely once again. A basic trick in the arsenal of any fighter that knew the importance of the spirit in combat.
One that Heinze responded with in kind. But he couldn't continue to press the offensive - now that Genghis Khan had unleashed his own aura, Doofenschmirtz had to rapidly gain distance as the roof around them shattered from the swings. Between the sheer force and the shrapnel, it was no longer safe to challenge the ancient warrior up close.
At least, not while on the roof. The Evil Scientist quickly made some calculations before launching himself at the wall of the stairwell, slamming into it feet first. Knowing what would come next, the Khan braced himself and crossed his arms in a basic guard.
Wild Ocelot Technique -
Tree Pounce Cannon!
With the power learned from his adopted family, Heinz slammed into Genghis with all of his might. The block negated the damage entirely, but both of them knew that damage wasn't the goal. Instead, they both barreled off of the roof, allowing their fight to continue without fear in freefall.
"Good judgement, but not good enough!" The Khan of Khans began to steam and double in size. "200% Khan!"
"Too slow!"
Heinz was already on him, using Ocelot Speed techniques to close the distance. But the next technique was from an entirely different animal's playbook entirely. Eyes widened as a teal aura took on a sinister purple glow.
Platypus Agent Technique -
Assassination Barbs!
With one strike, Doofenschmirtz managed to dig draw blood from the ancient warrior. However, 200% Khan was a mode not to be trifled with, for the speed alone was enough to make sure that drawing blood was all it did. Not even the spirit poison could sink in with such brief contact.
As punishment for his descendant's hubris, a 200% kick was delivered to the Evil Ruler's gut, launching him clean across Doofania's skyline. Kicking off of the air so as to prevent the windows from outright shattering, the warrior of old cracked every window on the building as he pursued, sending blasts of air ahead of him to keep his opponent on his toes.
But the Wild Ocelot and Platypus Agent Styles were formidable, and thanks to his time as both Heinz was able to use the two seamlessly to their full potential. By the time the Khan had closed the distance, Doofenschmirtz had already built up a lot of momentum and began a fierce attack.
The Khan responded with a flurry of attacks on his own, answer power with power as he always had. By the time they both landed on the outskirts of the place once - and admittedly still known - as Danville, his mind had been made up.
"My student and descendant," The Khan of Khans intoned. "Ever since arriving to this era, not a soul has defeated this form you gave me. And yet, before I can even give you the True Trial, I must fight you with all that I have. Even knowing that the very air shall become toxic and attempt to destroy your life, will you still face me?"
"You know, did you even ask me if I wanted to do this in the first place?"
There was a pause. A breeze blew by, causing their outfits to sway as they both processed the question.
"I... I had thought..." For once, Genghis Khan - no, Temujin - looked uncertain. "Back in my era..."
"Back in your era, things were different. People sought power instinctively not because they wanted to, but because they HAD to," Doofenschmirtz recited from an old lecture by Ludvine. "To you, you are doing me a great kindness, by testing and offering me strength. But things are different..."
Another pause.
"Well, for most people."
Temujin watched his charge carefully as the Drusselstienian American warred internally. A struggle that had been happening behind the scenes - one that Temujin always knew he'd have to overcome - was finally being settled. And the answer was known by the look in Heinz's eyes.
"With the world the way it is, and with the threat of Kings like Doom and Toffee... I'll need every bit I can get," Dr. Doofenschmirtz, Ruler of Doofania, finally took on his most powerful stance - The Wild Agent Stance. "Alright then. Give me all you got. Give me Atomic Khan!"
Temujin, once more Genghis Khan, nodded approvingly. His charge had decided, and had chosen an acceptable path. There was no rumble, no roar this time. A simple blue glow of power as Genghis Khan tapped into the final reservoir of his power. 300% Atomic Khan.
"Now, you shall face my undefeated form! COME!"
The two charged forth, the earth scorched beneath their heels. However, Heinz feinted, kicking up dirt into his mentor's eyes. Surprised, the Mongol was soon blown back further and further by wave after wave of air pressure attacks. He smiled, realizing that Heinz was making up for his cripplingly close range in combat by resorting to the same tricks he had been using this entire fight. A clever workaround for the Khan's most deadly trait.
But not enough. The Khan closed his eyes only to open them again with blinding blue lasers shooting forth. While he had not had this technique long, it was by far one of the more difficult techniques to counter and a favorite for the ancient warrior. So long as his eyes were able to keep up, the enemy would be scorched by the attack.
There was shock, then, when Dr. Doofenschmirz was nowhere to be seen!
"How!?" The Khan couldn't help but ask aloud. "Even with his Wild Ocelot training, he couldn't attain such speed. Not even if he trained under the cheetahs could he avoid my gaze-"
The answer hit him just at the same time more air pressure attacks hit him from the back. Blood and leather armor flew this time, for the attacks had been sharpened. Forced to undo his eye lasers, Genghis Khan swiveled around and sent a wave of power along the cutting arc of his axe's attack.
But there was nothing there. In frustration, the Mongol began swining every direction, scorching the landscape... and decreasing the Atomic output! This fact only came to him, though, a fair bit too late! Gloved in special hazmat armor, the ancient warrior realized how he had avoided detection with a single punch from his charge's fist.
Secret Platypus Agent Style-
Dropping in!
Secret Platypus Agent Style. Heinz hadn't mastered that skillset last time the Mongol had trained him. Did his charge train under Francis in secret?
No matter. Drawing blood and reducing the power of his strongest asset... this had been more than enough. Before Doofenschmirtz could attempt another attack volley, Genghis Khan Bellowed.
"ENOUGH!"
The air went still as the two fighters leapt back, gathering an acceptable amount of distance between them. The Khan of Khans raised his axe again... only to toss it off to the side, embedding itself in a mountain in the distance.
"You have proven yourself worthy of my True Test," He allowed, capturing his charge's full attention.
"You know, I had been wondering about that. Is it another test of combat, because I've got to say, I didn't limber up before any of this-"
"It is."
"Ah, fair enough, preparedness and all-"
"Even in my era, I did not face many foes who pushed me as hard as you have, Heinz Doofenschmirtz," Genghis Khan calmly spoke, hand reaching towards his belt. "And none of them would have lasted against my current state as you have. In fact, what I'm about to send at you - what you are expected to survive to pass my test - has been made immeasurably stronger by 300% Atomic Khan. Even I don't know the true devastation my attack shall unleash now."
The Doctor gulped, sweat finally appearing upon his brow. "What could it possibly be? You've-"
And that's when he realized it.
"It took you long enough to notice, Heinz," Genghis Khan rumbled with a chuckle, for the first time showing amusement at the terror upon his ruler's face. "Ever since I was revived in this 'modern era', I have not once used a Named Technique. The reason for this is simple."
The Khan of Khans, for the first time in literal ages, draws his Turko-Mongol saber. The Sword of Temujin, as it was known.
"I only ever had one. Only ever needed one," He pulled his sword back, tip pointed forward as the blade was raised alongside his head. "If the enemy dies in one Technique, then that is all that has to be learned. My sons, to whom I gave my empire to, all survived this. None had been worthy. But you? You're different."
The air was tense. Death's own aura was palpable in the air as the two combatants stared each other down, neither willing to so much as blink, much less break eye contact.
"Will you surpass them, I wonder... Will you, Doctor Heinz Doofenschmirtz, CEO of DEI and Ruler of Doofania... be the one to inherit my legacy? Will you be the one..."
The earth exploded from the force of Genghis Khan's charge.
Genghis Khan Style-
War Ender
"To rule the world in my stead!?"
The outcome, to many, had already been decided. Temujin was not holding back. Heinz, while no slouch, was not the strongest fighter alive. And the technique, brutal and straightforward as it was, was one that the CEO had never even heard of, much less seen.
There was an impact, and a bloody explosion as bone and viscera disintegrated upon impact. A strangled cry echoed in the aftermath.
And yet, while he was at the bottom of a crater, Doctor Heinz Doofenschmirtz stood up.
"You survived?" Genghis Khan wondered aloud, only to notice what was in the Evil Scientist's hand.
"
Chicken Replace-
inator." The redhead chuckled. "I had it set to Beverly-Hills Adjacent, so most of your attack should have harmlessly destroyed the home of a now dead chicken."
There was another round of silence before slowly, gently, Genghis Khan began to laugh. A genuine smile could be seen on his face for the first time in living memory.
"Not by might or skill, but by wit and treachery," He muses aloud as he approaches the crater. "Not even my sons had defeated the technique with such things."
"Well, I supposed having technology hundreds of years in the future helps a little," Heinz smiles cheekily.
The Khan of Khans nods, and then holds out his fist. Confused, Doofenschmirtz holds out his own hand underneath, feeling something fall into it.
"You now have my crest," Temujin now speaks. "From this day forth, you now bear my title - Genghis Khan. The Khan of Khans. And with it, the secret to true power."
"R-really!? But I-"
"You have earned it time and again. If anything, this was a formality, as Ludvine would say," Temujin smiles softly. "You have done well, my descendant."
As he rests his hand on Heinz's shoulder, the image turns to one not unlike the pictures of ancient Mongolian art. Ancestral music plays instead of the usual outro music as the credits roll.
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A/N: I am still amazed that I spent all night writing this. The words couldn't help but flow once I got started.
