MTL - God Level Demon - Chapter 2926 Quartet Silent Cannon

They took his name, stole his life, and fed on his pain. But they made one mistake—they let him live.Betrayed by his own blood and sold into slavery, Prince Oliver Von Rich lost everything—his title, his freedom, and his future. For years, his captors in the Somaran Empire bled him dry, using his Royal bloodline as fuel for their Aether.But when they sought King Solomon’s Staff—a relic said to grant any wish—Oliver rebelled. Left beaten and dying, his blood soaked the ancient artifact… and awakened it.Dragged back in time to the eve of his kingdom’s fall, Oliver is no longer a helpless prince. With the scars of his past and knowledge of what’s to come, he’ll rewrite fate—even if it means becoming a monster.To destroy the empire that broke him, Oliver must embrace the cursed power of the most vile demon known to man.

To survive, the unfortunate Gong Qiying, who became the lord of the Sein Dungeon, had to make his dungeon extremely “hellish”:Doors that “cannot be opened from this side”,treasure chests “triggering teleport traps”,a three hundred and sixty-five mile journey from the starting point to the BOSS room with no place to rest,monster knights with great bows on either side of a narrow bridge,and sinister ambushes around corners.There's also unavoidable visits to poisonous pits and hidden paths...Additionally, well-known fighters like Isshin Ashina, the Furnace Knight, Rajang, and the Scourge Legion bring unexpected surprises!Various unique rewards such as the Flaming Sword, Murky Hand Scythe, Rapid Slash Longsword, Sacred Oath, and Flame Empowerment will make you too happy to contain your joy!Gong Qiying: The most important thing in my dungeon is to ensure adventurers have fun!

This is a world where science and magic coexist.

Some people here seek powerful magic, and some seek eternal truth.

A science tyrant who came from another world, started as a little librarian, with magic in his left hand and truth in his right, kicking the door of the new century with one kick.

Some people call him the forerunner of magic, some say he is the founder of science.

Some people describe him that way.

In the new century, Blair is a symbol of evil.

- Description from novelbuddy

____this story sets in Japan that developed a little different history from yours.

This is how a Japanese Princess relieves her stress of the day by using the latest VRMMORPG, and while playing the villain there, the first town turns into whirlpool of chaos, smashed the underground organization in one hand and went for a coup. It’s literally a playtime diary of a girl who is called as “Genocider-san”, “Roaming Last Boss”, “A different person plays the game”, “Raid Boss”, “Ruthless”, “Calamity”, and such by the players.