The Art of Wealth: I Became a Billionaire - Chapter 21: Project Phoenix

Story about human babies raised by monsters in a world of sword and magic.

Allen is an orphaned boy that had lived a rather pleasant life with his orc mother in the bowels of a deadly dungeon, until the day a band of humans ventured down to loot and pillage the home they had come to think of as safe.

They took everything that Allen had, and drove him further away from the humanity. In anger and anguish, Allen turned his back on the humans. He encapsulated himself in a deep-seated hatred of them, refusing to associate with them in any way—even going so far as to reject any attempt at kindness.

Allen begins his journey in a world of human with full of deceit, danger, envy, and politics.

[The false necromancer has insufficient soldiers and is being ostracized and hunted. ]

[The real necromancer, countless skeletons, become the overlord of one party. ]

After Wu Heng obtained the double portal, he discovered that the original world was full of zombies.

When a gangster’s plan fails, another plan to survive begins.

Wu Heng chose to become a ‘Necromancer’.

Is it not allowed to summon the undead from another world? In the last days, the entire planet is a source of soldiers.

Can’t survive in the zombie world? Then I will live in another world and learn skills.

From then on, an undead army equipped with modern weapons appeared in the world.

Natural disaster strikes, millions of skeletons.

Immortal Bone Dragon, King of the Undead.

(Double portal + necromancer + magic + fantasy world + undead natural disaster.)

- Description from novelbuddy

In a world heavily dependent on technology, humanity always strived for more. And when they transferred the human consciousness into a virtual world, everything changed.

People got different systems, some unlocked superpowers while others simply became stronger. There were all kinds of things people obtained, and they all came from an unknown world later named “System Online”.

A virtual world that allowed people to get stronger as they played in the world in a manner that altered their destiny, raised their strength, and gave them a chance to be what they never were.

Follow as the main character enters this world to change his destiny and help out his loved ones. However, never did he know that he would become someone at the center as the whole world faces doom.

Read how this world of System Online becomes the cause of the apocalypse on Earth a hundred years later while a new even more vast universe opens up to humanity while the world of System Online descended on Earth as both worlds merge in some unexpected circumstances.

This all leads opens to Universe where humanity's survival hangs at the stake.

A universe where humanity is at the bottom and countless races eye Earth for its resources and treasures.

A universe where the strong prey on the weak.

Living things really are ignorant – the greed to obtain the key to knowledge and the fundamentals of energy overpowers them. Little do they know that knowledge is full of lies and energy is the root of destruction. Us, mages, have mastered travelling through space and time. We are invincible, we can turn worlds into dust and you, mere ants, will be wiped out with no trace.

-Mage Adam

An A.I.(Artificial Intelligence) gets reincarnated into a world where he becomes a mage.