In the wake of the Viltrumite Empire ravaging Galvan Prime, a young man is thrust into a world of monsters, magic, and superheroes when he wakes up in the body of fifteen-year-old Ben Tennyson as he acquires the Omnitrix. He might not be Invincible, but he's got a universe of possibilities at his disposal... and dying isn't on the table.
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Omni-Blood (SI Ben 10 x Invincible)
- Thread starter Arsenal597
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Prologue: Azmuth's Fall
New
Arsenal597
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There comes a time in every being's life where they must stare down their own mortality. For the Galvan known as Azmuth, that time had been circling him like a carrion bird for years.
Ever since he began forging the Omnitrix — a device that could let anyone walk in the skin of another species — the universe had never stopped hunting him. Some came for knowledge. Others for power. All of them wanted a piece of what he'd built.
He'd known from the start what it could become in the wrong hands: a weapon capable of turning entire star systems to ash. But Azmuth had dreamed of something better — a bridge, not a blade. Dreams like his rarely survived contact with empires.
A faint tremor shuddered through the lab. Warning lights flickered against the smooth metal walls. He exhaled slowly, closing his eyes.
So, this is it.
He wouldn't live to see the fruits of his labor… but he'd make damn sure the Viltrumites never got their hands on it either.
His fingers moved quickly across the console, finishing the arrangements to launch the Omnitrix off-world. His defenses wouldn't hold forever. Depending on how many the General had sent, he had a few precious minutes—an hour at most. Time was a luxury he no longer owned.
Azmuth straightened on the platform, claws tapping against the smooth surface as lines of alien script scrolled down the holographic screen before him. The Omnitrix's containment pod was suspended in the center of the room, encased in layers of energy fields and adaptive shielding he'd designed himself — and even as he looked at it, he knew it wasn't enough for what was coming.
"They found me faster than expected," he murmured, more to the machines than himself.
Above the main console, a constellation of sensor data expanded like a spiderweb. Point after point blinked red. The defense grid was failing in neat, brutal intervals as though someone was peeling away the planet's skin. It was one of the few things Azmuth found admirable about them. They were efficient and merciless.
Azmuth's claws moved with deliberate precision, entering command after command. Lines of code locked into place. Energy conduits flared to life, running down the walls in molten gold veins. The pod's propulsion array thrummed, impatient, like a heartbeat against the silence.
He'd accepted death long ago. It was a logical inevitability, not a tragedy. What mattered was what came after. What would outlive him.
And the Omnitrix had to outlive him.
A sharp, wailing alarm tore through the lab, rising in pitch as the security feeds began collapsing one by one. He didn't need to see the footage. He could picture it clearly. Viltrumites cutting through armored lines like tissue. It was almost poetic, in its brutality.
He approached the pod, placing a small hand against the outer casing. For a moment, his eyes softened.
"You were supposed to be more than this," he said quietly. "More than a war prize."
He keyed in the final launch coordinates, bypassing the last of the fail-safes. The pod's guidance system flickered alive — a lone light cutting through a room that suddenly felt very small.
Another tremor rolled through the lab, strong enough to knock a panel loose from the ceiling. Sparks rained down, the ventilation hissing like a dying animal.
"Not yet," Azmuth whispered, raising a claw to stabilize the energy shields around the pod.
He didn't look at the doors. They wouldn't come through them. Viltrumites didn't use doors. The next sound wasn't a tremor, but a crack — sharp, clean, and devastating, like the sky itself had snapped in half.
The roof caved in a heartbeat later. A storm of steel, glass, and fractured alloy exploded downward, scattering across the lab floor like a shower of knives. The force nearly threw him from the platform, but Azmuth braced himself, digging his claws into the metal as he looked up.
There, hovering in the open wound of the roof, framed by the burning sky, was him.
Conquest.
Even after all these years, the sight of a Viltrumite could still make the stars feel smaller. Muscles coiled like forged cable beneath a skin that didn't seem to notice the atmospheric burn. His cape, dark and tattered at the edges, moved ominously through the windless sky.
Azmuth had heard stories about Conquest, the empire's favorite butcher. He'd never imagined he'd be important enough to warrant his presence.
A slow, bitter smile crept across his face.
"So the General sent you," he said dryly, his voice flat as a blade. "I don't know whether to be flattered or insulted."
Conquest said nothing. His eyes burned the way dying suns do, with a cold, predatory brightness. He hovered there, hands loose at his side, as though the world below him was an inconvenience. Blood still stained the knuckles of one hand. Someone else had already learned what disobeying the Viltrum empire brought.
Azmuth felt no fear, though. Only a cold, sharpened clarity.
"Would you enjoy it if I were to beg for my life?" Azmuth asked, his hand never leaving the console. One last press, and the lab's lights shifted from gold to white. The launch system rumbled beneath the floor. "You'll find yourself sorely disappointed."
"Where is it, worm? Tell me, and I shall make your end quick." Conquest smiled, his crooked teeth glistening with saliva. "They wished to bring you in alive, but… I can always make an exception."
The pod began to rise on its cradle.
"Whatever happens next," Azmuth said quietly, almost to himself, "you will not have it."
Conquest tilted his head, a slight, cruel thing, like a wolf entertaining the sound of a trapped animal.
The alarms howled louder now, overlapping. Every system left in the lab was collapsing under the weight of incoming assault. Energy shields buckled like stretched glass. A gust of hot air swept through the gash in the ceiling, carrying the distant screams of defense drones being torn apart.
Azmuth's gaze didn't waver. His people would rebuild. They always did. But there would be no Omnitrix in Viltrumite hands. Not in this lifetime. Not in any.
The pod shuddered as it locked into its launch sequence. Conquest's eyes flicked to it — the first sign of movement since he'd arrived.
"The rest of your planet knows when to surrender. When to give up." Conquest sighed. "I've heard stories about you, Azmuth. You've been called one of the greatest minds in the entire universe. Yet, I find you to be incredibly foolish to resist the Empire."
"Perhaps I am. It does not matter." Azmuth smirked. The floor beneath the pod split apart with a mechanical roar, revealing the dark launch chamber below. Energy spiraled down the shaft in a radiant column, aligning perfectly with the stars above. "Your precious empire brutalizes all who dare cross their path. That in itself is foolish, but I wager it's a lost cause trying to get that through your primitive skull."
"Hmmph," Conquest chuckled, at last descending slowly into the lab. "Understand, this is your only chance. To refuse is to prolong your suffering. I am offering you a quick death."
"I understand. But as I said…" Azmuth tapped the final command. "You will not have the Omnitrix."
The pod launched, tearing through the night sky like a comet set free, leaving a streak of white-blue light in its wake. Conquest's eyes narrowed.
"How disappointing."
Then Conquest descended.
Azmuth stood his ground, hands folding behind his back as Conquest fell upon him like a shadow. Death no longer frightened him. Only failure ever had.
But he would not go down without a fight.
Hey guys, this is the other story I've been working on in the background recently. With me being off work for the next month, this has presented me with the opportunity to write a lot more. With this story in particular, it is a SI story, but there will be plenty of the other characters thrown in there. Let me know what you all think, and I'll catch you in the next chapter.
Reviews are highly appreciated. They let me know what you think and help motivate me to keep writing.
Also, if you'd like to support my writing, I do have a Patreon where depending on the tier you can get up to 5 chapters early. If the story gets popular enough I may try to get some artwork commissioned as I like having visuals.
Want to join my discord server where you can talk about the story? Link will be below!
discord.gg/dQkeJPkxdD
Ever since he began forging the Omnitrix — a device that could let anyone walk in the skin of another species — the universe had never stopped hunting him. Some came for knowledge. Others for power. All of them wanted a piece of what he'd built.
He'd known from the start what it could become in the wrong hands: a weapon capable of turning entire star systems to ash. But Azmuth had dreamed of something better — a bridge, not a blade. Dreams like his rarely survived contact with empires.
A faint tremor shuddered through the lab. Warning lights flickered against the smooth metal walls. He exhaled slowly, closing his eyes.
So, this is it.
He wouldn't live to see the fruits of his labor… but he'd make damn sure the Viltrumites never got their hands on it either.
His fingers moved quickly across the console, finishing the arrangements to launch the Omnitrix off-world. His defenses wouldn't hold forever. Depending on how many the General had sent, he had a few precious minutes—an hour at most. Time was a luxury he no longer owned.
Azmuth straightened on the platform, claws tapping against the smooth surface as lines of alien script scrolled down the holographic screen before him. The Omnitrix's containment pod was suspended in the center of the room, encased in layers of energy fields and adaptive shielding he'd designed himself — and even as he looked at it, he knew it wasn't enough for what was coming.
"They found me faster than expected," he murmured, more to the machines than himself.
Above the main console, a constellation of sensor data expanded like a spiderweb. Point after point blinked red. The defense grid was failing in neat, brutal intervals as though someone was peeling away the planet's skin. It was one of the few things Azmuth found admirable about them. They were efficient and merciless.
Azmuth's claws moved with deliberate precision, entering command after command. Lines of code locked into place. Energy conduits flared to life, running down the walls in molten gold veins. The pod's propulsion array thrummed, impatient, like a heartbeat against the silence.
He'd accepted death long ago. It was a logical inevitability, not a tragedy. What mattered was what came after. What would outlive him.
And the Omnitrix had to outlive him.
A sharp, wailing alarm tore through the lab, rising in pitch as the security feeds began collapsing one by one. He didn't need to see the footage. He could picture it clearly. Viltrumites cutting through armored lines like tissue. It was almost poetic, in its brutality.
He approached the pod, placing a small hand against the outer casing. For a moment, his eyes softened.
"You were supposed to be more than this," he said quietly. "More than a war prize."
He keyed in the final launch coordinates, bypassing the last of the fail-safes. The pod's guidance system flickered alive — a lone light cutting through a room that suddenly felt very small.
Another tremor rolled through the lab, strong enough to knock a panel loose from the ceiling. Sparks rained down, the ventilation hissing like a dying animal.
"Not yet," Azmuth whispered, raising a claw to stabilize the energy shields around the pod.
He didn't look at the doors. They wouldn't come through them. Viltrumites didn't use doors. The next sound wasn't a tremor, but a crack — sharp, clean, and devastating, like the sky itself had snapped in half.
The roof caved in a heartbeat later. A storm of steel, glass, and fractured alloy exploded downward, scattering across the lab floor like a shower of knives. The force nearly threw him from the platform, but Azmuth braced himself, digging his claws into the metal as he looked up.
There, hovering in the open wound of the roof, framed by the burning sky, was him.
Conquest.
Even after all these years, the sight of a Viltrumite could still make the stars feel smaller. Muscles coiled like forged cable beneath a skin that didn't seem to notice the atmospheric burn. His cape, dark and tattered at the edges, moved ominously through the windless sky.
Azmuth had heard stories about Conquest, the empire's favorite butcher. He'd never imagined he'd be important enough to warrant his presence.
A slow, bitter smile crept across his face.
"So the General sent you," he said dryly, his voice flat as a blade. "I don't know whether to be flattered or insulted."
Conquest said nothing. His eyes burned the way dying suns do, with a cold, predatory brightness. He hovered there, hands loose at his side, as though the world below him was an inconvenience. Blood still stained the knuckles of one hand. Someone else had already learned what disobeying the Viltrum empire brought.
Azmuth felt no fear, though. Only a cold, sharpened clarity.
"Would you enjoy it if I were to beg for my life?" Azmuth asked, his hand never leaving the console. One last press, and the lab's lights shifted from gold to white. The launch system rumbled beneath the floor. "You'll find yourself sorely disappointed."
"Where is it, worm? Tell me, and I shall make your end quick." Conquest smiled, his crooked teeth glistening with saliva. "They wished to bring you in alive, but… I can always make an exception."
The pod began to rise on its cradle.
"Whatever happens next," Azmuth said quietly, almost to himself, "you will not have it."
Conquest tilted his head, a slight, cruel thing, like a wolf entertaining the sound of a trapped animal.
The alarms howled louder now, overlapping. Every system left in the lab was collapsing under the weight of incoming assault. Energy shields buckled like stretched glass. A gust of hot air swept through the gash in the ceiling, carrying the distant screams of defense drones being torn apart.
Azmuth's gaze didn't waver. His people would rebuild. They always did. But there would be no Omnitrix in Viltrumite hands. Not in this lifetime. Not in any.
The pod shuddered as it locked into its launch sequence. Conquest's eyes flicked to it — the first sign of movement since he'd arrived.
"The rest of your planet knows when to surrender. When to give up." Conquest sighed. "I've heard stories about you, Azmuth. You've been called one of the greatest minds in the entire universe. Yet, I find you to be incredibly foolish to resist the Empire."
"Perhaps I am. It does not matter." Azmuth smirked. The floor beneath the pod split apart with a mechanical roar, revealing the dark launch chamber below. Energy spiraled down the shaft in a radiant column, aligning perfectly with the stars above. "Your precious empire brutalizes all who dare cross their path. That in itself is foolish, but I wager it's a lost cause trying to get that through your primitive skull."
"Hmmph," Conquest chuckled, at last descending slowly into the lab. "Understand, this is your only chance. To refuse is to prolong your suffering. I am offering you a quick death."
"I understand. But as I said…" Azmuth tapped the final command. "You will not have the Omnitrix."
The pod launched, tearing through the night sky like a comet set free, leaving a streak of white-blue light in its wake. Conquest's eyes narrowed.
"How disappointing."
Then Conquest descended.
Azmuth stood his ground, hands folding behind his back as Conquest fell upon him like a shadow. Death no longer frightened him. Only failure ever had.
But he would not go down without a fight.
Hey guys, this is the other story I've been working on in the background recently. With me being off work for the next month, this has presented me with the opportunity to write a lot more. With this story in particular, it is a SI story, but there will be plenty of the other characters thrown in there. Let me know what you all think, and I'll catch you in the next chapter.
Reviews are highly appreciated. They let me know what you think and help motivate me to keep writing.
Also, if you'd like to support my writing, I do have a Patreon where depending on the tier you can get up to 5 chapters early. If the story gets popular enough I may try to get some artwork commissioned as I like having visuals.
Want to join my discord server where you can talk about the story? Link will be below!
discord.gg/dQkeJPkxdD
Arsenal597
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I will try to get another chapter up within a week.
Lillie Jones
Well worn.
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TheoBelmond
Not too sore, are you?
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Why does the MC need to be in Ben's body? It seems redundant.
CronaAbarn
Death's favorite reaper
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To sleep with gwen why else?
Zetakille
Know what you're doing yet?
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Well then....the protag is gonna be operating on a timeline of inevitability. If he can unlock the right forms, and get Master Control working, he could potentially take down one of the lower-tier Viltrumites solo. If he can acquire a Viltrumite sample, then he absolutely could throw hands with Nolan and have an impact, but would lose due to inexperience. If he can unlock a Celestialsapien or Chronosapien, then he's unbeatable.
Although....if he got a DNA sample from a Dornian like Battle Beast, would the Omnitrix form be as powerful as Battle Beast?
Although....if he got a DNA sample from a Dornian like Battle Beast, would the Omnitrix form be as powerful as Battle Beast?
Corvustheo
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Yes love a Ben 10 Si in invincible story.
OCs with the Omnitrix are redundant, boring and feel forced into the story.
Last edited:
Arsenal597
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I mean, you could argue it's redundant to be put into any MC, but I get where you're coming from with Ben. The Omnitrix does give him a crazy power boost and a versatility that's definitely considered overpowered and unfair to a painful degree. But I'm going to be focusing more on the story side of things with Ben being the conduit from which it's told. While yes, there is going to be the Ben 10 and Invincible storylines that unfold... I want to explore how this universe would be when you have both worlds co-existing at once.
Arsenal597
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I can definitely agree with that, given the circumstances.
Arsenal597
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It is definitely a matter of inevitability with this story. A matter of fighting to get to the level he needs to be, while adding in the extra worldbuilding that will be needed as well. As for the Battle-Beast thing... experience would play a key factor in that. So, in my opinion it's more of a yes and no situation.
King Yama
The Eminence In Shadow
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Interesting hope this will not develop into just a smut story like the others also find it hard to think that Azmuth will remain dead either he comes as an Ai or an alternate self of him from another universe or timeline
Last edited:
Arsenal597
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One thing you'll learn with me is that smut is like the last thing I will consider for my writing. There may or may not be certain dialogue lines, or comments. But I will rarely, if ever include something along the lines of smut.
As for Azmuth, you're a smart one. Thanks for reading.
TheoBelmond
Not too sore, are you?
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I think I expressed myself poorly.
What I meant is that, since it's the Invincible universe mixed with Ben 10, it doesn't make sense for the protagonist to possess Ben's body. He could be another cousin with his own story. Or he could just be Ben himself, instead of an original character possessing Ben's body.
It doesn't make sense for the protagonist to have to possess Ben's body.
It's like those stories where the MC receives an incredibly powerful ability, but the author decides to add a system on top of it anyway.
Corvustheo
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Albedo would be the one of the few option to explore a SI (that hasn't been done much) being placed into the omniverse or a different variant Ben or his future son or Gwen brother Ken that only appeared once in AF. There's already stories with Original Ben crossover with Invincible on fanfiction.net.