I Have Returned, but I Cannot Lay down My Gun - Chapter 54: Artemis Technology

This is a fan work of “Magic Forbidden Book Catalogue”, and some settings of “Puppet Circus” are added at the same time.

A traveler from a circus enters Academy City to study and live as a puppeteer; at the same time, he secretly fights against the enemies who keep coming to seize the original magic book in his hands, and protects the safety and peace of Academy City by the way.

…The Third World War? Does the mainland dare to call it “World War” without playing?

- Description from novelbuddy

Athena, Earth’s most glamorous lone assassin and the seal bearer of the Death Goddess, met her end on her final mission. She succeeded in eliminating the world’s most powerful Mafia leader with her bare hands, but it came at the ultimate cost, her life.Or so she thought.Instead of the eternal rest she expected, Athena’s soul transmigrated into the body of Athena Demerin, a rising celebrity in the Interstellar Era of the Andromeda Galaxy. As the cherished granddaughter of the Northern Duke on planet Asenus, the original Athena had strived to carve out her own path to stardom without leaning on her family’s immense power. But ambition came with a heavy price. She died from exhaustion… or so the official story claimed. The truth? Someone orchestrated her death.Now, the new Athena has inherited not only this body but its unresolved mysteries. Determined to unravel the secrets behind the original Athena's death and fulfill her dreams, she must also navigate a world of fame, family legacies, and interstellar intrigue.But life throws her another curveball, a marriage to Major General Mors Jericho, the galaxy’s most brilliant young warrior. Revered by millions, he is admired for his strength, intelligence, and commanding presence. Yet beneath the surface of this union lies a web of secrets that could shift the balance of power across the galaxy.As she uncovers the truth behind the forces conspiring against her, Athena must confront her own feelings about Mors.Can a marriage built on duty transform into love? Or will her husband turn out to be her greatest adversary?Will she follow her heart, carve her own destiny, or succumb to the shadows of her past?

A prince sent into exile, without the means to fight back.

[You have transmigrated, named Gu Sheng, and are a farm boy.][This is a dynasty in chaos, where demons and monsters lurk and bandits run rampant; as someone at the bottom, you face hellish survival difficulties.][You decide to lay low.][You awaken a mastery panel.][You breathe a sigh of relief, you can start grinding.][You grind Chopping Wood to Perfect, chopping bones and breaking tendons with ease.][You grind archery to Perfect, becoming a godlike archer who can hit a louse at a hundred paces.][You learn the Iron Stone Fist, set foot on the path of a Martial Artist, and grind it to Perfect, with punches as heavy as a million pounds.]……[You learn the Longevity Eternal Youth True Art, greatly extending your lifespan, giving you more time to grind, and greater hope to lay low.]……[You grind to the limit, steadily laying low, and one day you suddenly realize, you are invincible.]