Immortality begin with Alchemy Grandmaster - Chapter 81 - 80: Analysis, Completing the Pill Formula_1

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

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.

“There is no fairness in this godforsaken world”

- Leo

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With the appearance of the ferocious beasts and hideous monsters, humanity was on the verge of extinction.

As humanity lost its hope, a few otherworldly beings referred to themselves as ‘Gods’ appeared and helped humans in creating new cities from the rumbles.

Before leaving the world, they left a special gift that could help the humans awaken their talents hidden deeply in their bodies as there were still monsters and beasts outside these newly created cities.

With the help of their newly awakened talents, the humans started fighting the monsters and beasts on their own.

That’s the beginning of a new chapter in human history as humans started becoming heroes.

In such a world, a 12-year-old kid was framed for theft and the murder of his adoptive parents by some powerful heroes.

Furthermore, they even planned to kill him and make his body disappear to avoid future trouble.

However, after 10 years, he returned to the city with a different name to take revenge against those so-called powerful heroes while trying to find out the reason behind the death of his adoptive parents.

“I don’t know exactly who you are and why you did that, but I will find out even if I have to kill all the powerful heroes in the city.”

Standing in front of the gates of the Phirie city, Leo muttered to himself with a cold look on his face.

“She is the one who forced me to marry her, she is also the one who pushed away ShuangAi from me, she threatened my family with her family power and all these years, she did everything to subdue me...that evil woman MuTan“