The Fallen Hero Reincarnates as the Demon King's Son - Chapter 8 - 7 - The Demon King

In a galaxy ruled by warlords, guilds, and ancient tech cults, Kai Zareth is just another debt-ridden scavenger—until a legendary system descends upon him.“One Trader per 10,000 light years. One chance to rise.”Selected by the Cosmic Trade Nexus, Kai becomes the sole wielder of the Galactic Exchange System, a multidimensional platform that allows him to buy and sell across parallel worlds, forgotten realms, and alien civilizations.With only 12 hours to complete his first trade—or lose everything—Kai scrambles to make deals in a universe where information is power and one wrong barter could cost your life.From selling enchanted goblin toothbrushes in toxic slums to outwitting rival system users and forging alliances with forgotten races, Kai must build his empire item by item, realm by realm.But in a galaxy where traders kill for profit and system users are hunted like prey, being the Merchant Sovereign might be a bigger curse than a blessing.

“The Earth was chosen by the gods, and all humans were sent to another world, participating in a 'Dark Lord and Hero's game'.

Billions of humans played the roles of 'Dark Lord' and 'Hero', each needing to choose their initial race at the beginning.

Ethan Jackson was matched to the 'Dark Lord' faction and became a Dungeon King.

To his surprise, he found that he could see hidden information that others couldn't...

[Goblin Dark Lord] Low-level Bloodline, not recommended.

[Stone Giant Dark Lord] Mid-level Bloodline, not recommended.

[Magical Treant Dark Lord] High-level Bloodline, recommended.

[Golden Divine Dragon Dark Lord] Top-level Bloodline, highly recommended!

...

Heroes coveted Ethan's dungeon, and the treasures within it attracted numerous adventurers.

Among them, there were young Lady Knights, the saints of the royal capital, tsundere female magicians, and innocent but naive female priests...

Ethan could never have anticipated that.

As the game had just begun, the dungeon's Goblin guards caught a Lady Knight and offered her to him as a tribute.”

……………………………………………………………

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A firefighter in her previous life, Li Jing’er transmigrated back to ancient times and became the wife of the second son of a farmer. A month after Li Jing’er married into the family, her husband left to join the army.

Then news arrived that her husband was killed in battle but the compensation paid by the imperial court was snatched away by her greedy in-laws. Forced into a corner, she planned an escape, severed family ties, and left with her six-month-old baby daughter.

Joining the flow of refugees escaping from disaster and war, she picked up several lost and abandoned children along the way and tried to start a new life.

Then out of the blue, her deceased husband appeared…

- Description from Novelupdates