Epic of Summoner: Supreme Summoner System in the Apocalypse

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Around the entire planet, rifts from other dimensions opened, as monsters began to roam everywhere.

Creatures from other worlds of all shapes and sizes, containing all sorts of supernatural powers had emerged one after another, as dungeons also appeared, becoming nests for even more monsters.

It was a complete invasion!

The large cities began to fall just after a few hours since the Ragnarök started, people were being slaughtered without end, as giants, zombies, demons, beasts, and even god-like creatures chased them over.

Each one of such entities possessed their own power systems, different types of cultivation, or even their own world's systems, the more they killed the stronger they grew, some even devoured humans in masses, and others extracted their blood to grow stronger, there were all sorts!

For these invaders, Earth seemed like a perfect playground to get warmed up and prepare for the stronger worlds they would end up traveling into, it was filled with weak animals and humans, they had some sort of power, but it had just awakened and all of them were terrible at using it.

Those that were somewhat using it good enough didn't have enough time to level up and become stronger, and so, those capable of standing against the giant monsters were very few, too few.

Although the invaders had already stopped coming and the "first wave" had stopped, the number of invaders was gargantuan.

A gigantic pandemonium tower had surged from the ground, coming from Hell-like world where demons crawled out from, the sky opened as a gigantic eye glanced from above, extending its gigantic tentacles and sucking the energy of the planet, celestial human-like beings exuding divine powers flew around using legendary weapons, deadly beasts destroyed the land and hunted down anything within their path, and other deadly entities crawled around, trying to find weak prey!

Although they had slowly begun to fight against one another after some time, the larger cities were still falling one by one, the powerful divine entities that Gustav had named Celestials were incredibly strong and malicious, laughing as they fired their legendary and shiny weapons to the cities, generating cataclysmic explosions and killing hundreds in mere seconds.

The screams of the people were like music to their ears, these beings came from a world where there were many like them, who self-proclaimed themselves as "Gods"!

It was an enormous world, a gigantic world existing within an even bigger plane, it was perhaps dozens of times bigger than Earth, and these Gods were a small group who had decided to start the annihilation of lesser worlds to have an advantage in this free-for-all battle royale between dimensions.

There were many such groups of Gods exploring many other lesser worlds similar to earth, using their powers to slaughter anyone they wanted, their power was way above the Mortal Realm, and could easily be said to be true Gods in the sense of both power and capabilities…

However, those lucky enough to evade their deadly attacks were greeted by millions of demonic beasts roaming outside of the bigger cities, easily being caught, and eaten alive, not even their souls were able to rest in peace, as the vicious demons consumed souls quite easily, and used them to gain power and cultivate their demonic cores…

Alongside this, there were still some cracks between dimensions that would remain forever here, connecting this planet to other worlds for anyone to come inside. In such cracks, there were all sorts of different and strange, interdimensional types of energies being infused into Earth.

From the world of the Celestials, rainbow energies of unknown yet divine origins fell over the planet like enormous rivers of glistening ethereal colors. Those that bathed on it would usually die due to the immense power such energy contained, while those that managed to somehow survive would gain strange and enormous powers, but would lose their sanity and turn into divine beasts.

From the world of demons, a black, shadow-like essence started to be infused around, contaminating everything. Those that bathed on it would turn into insane demonic beasts craving blood and war.

From the world of beasts, energies of red, brown, and yellow colors entered, being infused into the local wildlife, and turning them into giant and deadly beasts. Even humans that were showed on it changed, becoming wild beast-men.

And there were many other types of energies spread all around, fusing and also the planet's environment, making of it all a complete chaos! The atmosphere changed colors constantly, as the heavens mutated and generated several layers, while dungeons continued to pop up from the ground one after another, bringing even more beasts and other types of essences into the planet without stopping!

It was a frightening scene to see, and many of the people that we're able to somehow fight against the weakest of beasts didn't even have the time to take care of other people, so they merely escaped, leaving others to die miserably.

The cries of children as their parents died out of nowhere resonated through the cities and towns of the entire world, as the corpses of humans amounted to the millions after millions!

The governments of the countries were taken by surprise, and many were easily annihilated by the almighty power of these creatures, military weapons had almost no effect on the strong beasts, and although some had begun to kill small fry to level up, it was very hard because strong and weak beasts were all mixed together, this wasn't a game after all, in the corner of the street you could easily find a high-level boss while in the other a little Level 1 rat, it was too chaotic to form any organized leveling team to properly raise one's strength.

It was all… pure luck!

Only the luckiest could survive, those blessed by fate, only those could do something to survive and perhaps change the fate of the planet! But how many were there blessed by fate? How many were there strong enough to do anything over this insanity?

Could there be anyone that could change the world and humanity's fate?

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