How Big the Cosmos acually is

a Universe
a universe has an infinite number of timeline, all of these timelines together would represent every single possible out come of everything possible event

a Multiverse
a Multiverse has an infinite number of universes

a Megaverse
a Megaverse has an infinite number of Multiverses

a Gigaverse
a Gigaverse has an infinite number of Megaverses

a Teraverse
a Teraverse has an infinite number of Gigaverses

a Petaverse
a Petaverse has an infinite number of Teraverses

a Exaverse
a Exaverse has an infinite number of Petaverses

a Zettaverse
a Zettaverse has an infinite number of Exaverses

Yottaverse
Yottaverse has an infinite number of Zettaverse

Xennaverse
Xennaverse has an infinite number of Yottaverses

Wekaverse
Wekaverse has an infinite number of Xennaverses

Vendekaverse
Vendekaverse has an infinite number of Wekaverses

and it goes on and on it's like an infinite loop that never end

The last "-verse"
 THE OMNIVERSE 

The Box
The Box has an infinite number of Omniverses

Mega-box
Mega-Box has an infinite number of The Box

Ultra-box
Ultra-box has an infinite number of Mega-Box

now there is a infinite loop of boxes that just get bigger and bigger

The Last "-Box"
The Endless Box

The Limitless
The Limitless has an infinite number of Endless Boxes

THIS IS THE END, NOTHING IS BEYOND THIS POINT EXCEPT TRUE NOTHINGNESS

The Clock
The Clock has every single point in time of every single timeline in itself. Which means that the beginning of time up to the end of time exists in the Clock at once#

 A LOT MORE THINGS 

AND NOW THE COSMOS
literally anything and everything at once, nothing can exist beyond the Cosmos

Some more information:
-The Cosmos is just an Infinitly big Block Multiverse but i just wanted to show you how big the Cosmos is in comparison.

-That's why we often say "Multiverse" when we mean anything and everything in existence except for time and other timelines

-The Universe where Zoom got to after he got back to the Cosmos is called: "Universe 666" and it exist at the edge of time and space. This Universe is also called "a fortnite story" Universe. The Universes number has been confirmed here

-Universe 666 has a lot more cosmic energy than most universes because of the [https://fortnite.gamepedia.com/The_Zero_Point#:~:text=The%20Zero%20Point%20is%20an,was%20sucked%20into%20a%20rift. Zero Point] being located in that Universe.

-The Zero Point is a part of the speed force that connects everything in the Cosmos with each other.