Rebirth Immortal - Chapter 1: The Fall of The Immortal

While a certain young man hides in a certain Ruins City, wanting to become a tanky mage through passive farming.

Mages should focus on learning more spells and magic? There is no time to invest in body strengthening? Mages are defenseless when they run out of mana? None of these are a problem for Gurney and his Passive Farming System. Through the system, Gurney trains both his body and mind at the same time, he goes beyond the limits and logic of an ordinary mage. This is a mage who casts spells while tanking hits, his recovery speed surpasses even warriors and knights. This is the journey of a vigilant and careful mage who grows tankier and tankier.

…

With the rising waves of darkness, the steampunk steel ship sets sail on a journey and adventure.

Whales sink to the depths of the sea, sirens sing with beautiful voices, calling out to the Transcendent sailors who hunt for mermaids.

The mysterious Time Hunters who obey the ancient rules search for their prey.

He who bears the title of “Hero” carries the burden of fate as he steps on the road to write a new page of history.

Ancient “Sealed Ones” rush to break out of their imprisonment, wanting to create and release new “Supernatural Memetics”.

The combination of steam technology and supernatural powers bring forth the era of “Transcendent Genetic Warriors”.

Infant dragons who have just hatched watch as the Dragon Slayer digs out their mother’s heart from her body.

Calamity level lifeforms sharpen their blades, stepping into the stage of this extraordinary era.

The tides of the era surge and swirl, bringing along the mysterious fog of darkness…

The indescribable existence nurtures and grows…

Along with the stare of the Abyss…

Gu Changge, a noble lady from a wealthy family, is a well-known business legend in Yuncheng, going into business at 15, taking over as President of Gu Group at 18 and becoming Chairman of the family business at 30.
She is murdered by her husband Shao Tianze, just to give his mistress Gu Changle a healthy heart. But a premeditated car accident makes Gu Changge revive in a new guise and settle into an 18-year-old girl, Song Yunxuan.
The new face, young body and experienced soul become her weapons of revenge. In her struggle with the four big families in Yuncheng, can Gu Changge shrink back? Will she open her broken heart again? Can she always head off dangers in power struggles?
Let’s find out if Gu Changge can revenge herself and create glory again.

- Description from Novelupdates

Elena, who spent her entire life as a cold-blooded female knight to avenge her family, ended up dying without claiming her revenge. When she opened her eyes she found that she went back into the past. By day she was a lady in a dress, and at night she carried a sword to change history and prevent her family’s destruction.

He became a teacher at the best magic academy in the empire.
….For being mistaken for someone else.