General Information
Name: Xeno²
Also Known As:
X²
The Xen
The Whole
World Type: Infinite, Conceptual Realm
World Expansion: Infinite (Some multiverses have limits)
Age: Graham's Number Years Old
Status: Eternally Expanding
Origin: Concept
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Overview
Xeno², commonly referred to as Xen, is a massive, ever-expanding world that stretches infinitely across universes, dimensions, and multiverses. It's not just a planet or galaxy—Xen is the entirety of everything, a boundless existence where the concept of "edge" doesn't apply… unless you're inside a multiverse where an edge does exist. Every inch of Xen is layered with infinite possibilities, civilizations, and realities, all connected in ways no being—mortal or godly—could ever fully comprehend.
The world of Xen contains advanced civilizations born from countless timelines, from primitive pre-history to hyper-dimensional tech species living beyond the boundaries of physics itself.
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Origin
In the beginning, there was nothing.
And not the kind of "nothing" we usually think of—there wasn't even nothingness. No light, no dark, no time, no space. Even the concept of "world" couldn't exist... because concepts themselves didn't exist.
Then suddenly—"something" appeared.
Not created. Not summoned. It just... was.
The first concept. The concept of "something." And that was enough to set off the infinite chain reaction.
With "something" existing, it gave birth to the concept of "meaning"—and once meaning existed, more concepts began to form: "existence," "structure," "life," "matter," "chaos," "order", and so on. These concepts weren't random—they began to self-organize, forming a system of balance and definition. That's when Xen—the Whole—started to come together.
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Conceptual Structure
All concepts in Xen follow a structure—think of it like a cosmic code or program. For example:
The concept of "life" has a structure that creates species, plants, bacteria, consciousness, etc.
You can't see concepts, but if you could, they'd look like infinitely complex wires or neural networks—interconnected, layered, and ordered to create what we experience as reality.
So where did the structure come from?
From the concept of "structure" itself.
Yeah… that's where it gets crazy.
But how did that form?
That's one of the greatest unsolved mysteries. Not even omniscient beings, abstract entities, or living definitions can figure it out. The question of how the structure of structure exists is an infinite paradox.
Why structure matters:
If the structure of a concept breaks, the concept itself ceases to exist.
Example: If the structure of "thinking" is destroyed, no one can ever think again. Thought itself is wiped out from the whole reality, even across infinite. No backup. No workaround. It's just gone.
That's why structure is everything. It's the foundation. Even the concept of "infinite" relies on its structure to exist.
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The One Billion Concept Phenomenon
Every 1 billion years, something wild happens:
A new unique multiverse is born.
Yes, Xen spawns infinite multiverses all the time—but these 1-billion-year multiverses are different. They're not just copies with slight changes—they come with entirely new concepts, and those concepts have different structures.
For example:
In one of these special multiverses, the concept of "death" might actually be reversed: the dead are the truly alive, and the "living" are trapped in a dream-like death state.
Or the concept of "reality" is fluid—where fiction becomes fact, and imagination is the law of nature.
These multiverses are high-risk, unpredictable, and impossible to prepare for. Traveling into one is like throwing your existence into a cosmic blender—you might gain power beyond comprehension... or be erased from all forms of existence, past, present, and future.
Multiversal Structure
Multiverses
In the world of Xeno², there are infinite multiverses—each with its own unique realities, but most follow the same core logic and concepts, just with slight variations. These variations can include differences in physical laws, species, evolution, or even moral structures. However, the basic foundation—conceptual structure, time flow, space, life, and death—usually remains intact.
But then there are the unpredictable ones...
Some multiverses evolve with unique concepts or twisted logics that defy everything known. One multiverse might have time run in spirals, another where gravity doesn't exist but memory does. These multiverses operate on a whole different level—unstable, volatile, and mostly unexplored.
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Multiverse Collision
A rare but insanely powerful phenomenon known as "Multiverse Collision" can occur under special circumstances. It usually requires someone—or something—extremely powerful, wielding advanced tech or ancient force to manipulate the very position of a multiverse and direct it toward another.
When two multiverses collide, one of two things happens:
1. Total Multiversal Explosion:
A massive explosion that lasts over 600 million years, echoing endlessly in the Void. It shatters entire timelines, erases structures, and sends echoes across reality.
2. Multiversal Merge:
The two multiverses combine into one. Concepts, civilizations, objects, even people get morphed and merged together. The result is something known as a Lifeless Multiverse—a broken realm where the foundational structures of reality stop functioning properly.
In these places, everything is disordered, laws of physics don't work, and the concept of "life" itself collapses.
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Supreme Multiverses
These aren't just multiverses—they're something beyond.
Supreme Multiverses exist outside of time, space, structure, and logic. They aren't bound by any known rule. In fact, they don't fully exist, yet somehow they do.
You can step into one and feel it—see planets, stars, even civilizations—but a second later, everything vanishes.
These multiverses are without concept, meaning they have no identity or structure to hold onto. It's like trying to grab fog that's made of pure thought... and then realizing the fog was never there.
These places are dangerous—you can vanish at any moment, not because something kills you, but because you stop being a thing that exists.
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Space
Space is the fundamental structure inside most multiverses.
Think of it like the steel frame of a building—it holds everything together.
Normal space looks like what we know: darkness, stars, galaxies, solar systems, black holes, etc.
This Space keeps everything stable inside a multiverse.
But not all multiverses follow this. Some have:
No space at all—they feel like walking through a phantom realm. You pass through it, but it doesn't "exist" in the traditional sense.
Top Space—a space layered on top of another space. These complex structures allow multiverses to house more advanced civilizations, tech, and conceptual expansions.
Some spaces are infinite, impossible to escape without god-tier tech. Others have an edge, making it easier to break through and travel to a neighboring multiverse.
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Universes
Universes are different from multiverses.
They're like giant invisible ovals, each containing stars, planets, and space similar to the ones we know—but with one twist:
> Time moves in reverse.
Instead of advancing forward, time rewinds after a certain period.
Every Quattuordecillion (10^45) years, the universe resets back to the start of its supernova, and everything begins again—but backward. Then it reverses again. It's a looping effect of forward-reverse progression.
Everything else—concepts, structures, and space—remains the same, but the flow of time makes these universes unique.
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Cosmos
Cosmos are a rare variation of space—imagine space flipped inside out:
Instead of darkness, it's light everywhere.
Black stars glow in the sky like inverted suns.
Clouds float freely, day-like and smooth.
Moons burn hot and bright, like miniature stars.
Suns are ice-cold, radiating frozen energy.
You'll even feel wind—a fresh, breezy flow, even while floating.
Cosmos are mostly safe, peaceful, and surreal. But just like space, the planets within them can be dangerous and unpredictable.
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Dimensions
Dimensions are alternate versions of reality—different worlds that mirror Xeno², but with their own unique start points and paths.
Some are:
Small: Limited space, few civilizations, simple structures.
Medium: Balanced and structured, like alternate versions of Xeno².
Super Large: Massive, complex, filled with infinite layers.
Most dimensions don't have space. Instead, they have pure land or abstract terrain that stretches infinitely, following their own version of structure. They're not "lesser" than multiverses—they're just different realities with alternate perspectives on what "existence" means.