The Magic Empire for 20,000 years

The Magic Empire for Twenty Thousand Years
"The elves criticize us humans for having no faith and no reverence; they accuse our magic of being too utilitarian, causing the dead to toil in the fields; they mock us for having no racial god to protect us, calling us nothing more than savage monkeys."
"Let me clarify: Yes, we are barbarians!"
Forget those pointless arguments about faith, culture, and morality.
“Once the empire is victorious, scholars will defend us.”
"Conquering the Astral Plane requires 100 stable portals, 1000 starships, 10 well-trained spellcasters, a thousand-member Mage Council for coordination, and a universal magical education system. In short, it requires a great empire!"
...............
Returning from the end of time, Elian witnessed the end of this Western fantasy universe.
Someone must step forward to unite all the races across all planes and resist the great terror from beyond the world.
Rewinding 20,000 years, Elian transmigrates into the body of the "fallen king" of an ancient magical empire.
At that time, the nascent human civilization had just learned magic and was struggling to survive among fantastical races such as orcs, dragons, and elves.
Before the arrival of the Outer God legions from distant lands, Elion had 20 millennia to build his magical empire:
Sweep away the orc tribes, slay the dragon lord, and let the arrogant and conceited elven court witness the rise of humanity.
Education should be provided to all without discrimination, incorporating arcane knowledge into compulsory education; a magical web should be woven to enslave the elements and build a magical civilization.
Conquer the abyss and make the demon lords submit.
The army is at the gates of hell, and the devil has been given a new title.
All living beings in all planes will be subjects of the great empire.
—Whether it's the twin serpents of creation or the countless gods filling the sky.
…………
"If there's a mountain in front of you, move the mountain. If water surges, control the water. If the sky collapses, mend the sky!"
[Chronicles of a Magical Empire. A pseudo-D&D original world setting; I decide the settings!]
[This is a light novel with slow updates in the early stages, please refrain from criticism if you don't like it.]

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