Hello Guys! It's the Arthur.
I will provide you with little knowledge and as you read the novel you will learn more about the wonderful world in it.
In this world , the people comprehend/create and control the Laws to enhance their strength.
These are the Stages in which comprehension of Laws is divided.
1st Stage: MORTAL[Level 1 to 10]:
In this Stage, the people begin to comprehend the Law to add the attribute of that Law to their Energy.
2nd Stage: CELESTIAL[Level 1 to 10]:
In this Stage, the people begin to add the attribute of that Law to their Body.
3rd Stage: DIVINE[Level 1 to 10]:
In this Stage, the people begin to add the attribute of that Law to their Soul.
4th Stage: IMMORTAL[Level 1 to 10]:
In this Stage, the people shed their MORTAL Bodies and Souls and build a New Body and Soul of the attribute of their respective Law.
5th Stage:PRIMORDIAL [Level 1 to 10]:
In this Stage, the people become the primordial of their law and their Bodies and Souls become immune to that law and some of the related laws. They can control that law in the universe however they want by fusing with that law.
6th Stage: TRANSCENDANT [Level 1 to 10]:
In this Stage, the people in this stage become transcendants. They are out of control to the law of universe however they can't enter the lower Realms .
..... (The other Stages will be revealed in the story.)
These Stages are all divided in Levels:
•Level 1 to 3(Low-Level)
•Level 4 to 6(Mid-Level)
•Level 7 to 9(High-Level)
•Level 10(Perfect-Level)
The Stages are just the level of comprehension and control the people had over their Law. A person can get stronger by training their Bodies, learning Martial arts, through training in Weapons.