The Indomitable Master of Elixirs - Chapter 22 - A collection of Stones

As long as the land is square, Yan Bicheng should divide the world into four parts.
The dark organization “Ruyimen” has abducted children for many years, trained them as assassin agents, and sent them to the families of various countries for use in order to collect a lot of secrets, and gradually extended their evil hands to the court.
Feng Xiaoya, the favored minister of the King of Yan, suffers from bone melting disease. She is unparalleled in her “sickness and beauty”. For some reason, she abandons the eleventh wife, Qiu Jiang, and puts her under house arrest in the mountains. Qiu Jiang, who has forgotten his past, fled alone on a stormy night. After several twists and turns, on the way back, he met Yi Fei, the third prince of Cheng who was in trouble in a foreign land.
One wants to regain memory, the other wants to regain the throne. The two people who are incompatible with each other walk side by side towards Cheng in a bloody storm… but they find that the Ruyi Gate, which has been entrenched in Chengjing for a hundred years like a poisonous snake, seems to have undergone an unknown shock… …
The situation of the Four Kingdoms is back, and there is only one goal – to eradicate the evil organization Ruyimen!
However, as Qiu Jiang’s memory slowly recovered, a unparalleled secret finally surfaced…
Mrs. Ruyi, who is it? There is another mystery behind Ji Ying’s death?
What is the purpose of this return journey after a narrow escape, and where does it go?

- Description from novelbuddy

A man was transported to Ancient China and eventually became a servant of a declining household without a male heir. He utilized his wits and modern knowledge to help the household and eventually become trapped in the sea of political turmoils of the period.

- Description from Novelupdates

I, Lu Li. had an agreement with the system; once the plot was completed, I could go home, but the system played me dirty.

Demanding another round, claiming the plot had gone awry.

Let’s perish together, scumbag system.

You’ll never see me endure such humiliation again.

Sadly, I didn’t die.

Filled with rage, since you won’t let me die, then I’ll make those who once shamed me, hurt me, and betrayed me in haste, pay the price.

The protagonist is not humble, not clinging…

Having opened his eyes once more, Chu Zheng found the world turned upside down. He had transformed from a Cultural Relic Restorer into a household slave.At the same time, a new feature had emerged within his body: a Repair Panel that refreshed daily, enabling his skills to continuously advance.【Incomplete Mantra (repairable)】→【Great Circulatory Breathing Guideline】【Ruined Temple Remnant (repairable)】→【Ancestral Dao Golden Body】【Damaged Spirit Root (repairable)】→【Superior Quality Immortal Bone】…………In an era of cultivating truth, heroes compete fiercely, and prodigies rise together.From ancient times, sages and wise men were buried by the sands of time; a lifetime of glory or disgrace turned to naught in a blink, and only a few names are recorded in the annals of history.Having lived this life a second time, Chu Zheng did not seek the arts of immortality, but merely wished to have his name remembered by future generations.