The formation principle of magic array, especially large magic array, is very complex. In the first abyss war, a large number of documents and ethnic civilization fell, making the culture of the whole continent decline for a long time. Many basic types of things are almost lost on the mainland.

it's like doing a math problem. If you don't know how to solve the addition, subtraction, multiplication and division, can you still solve it with a bivariate equation?

some magic arrays on the mainland are almost all left over thousands of years ago. Although there are many magicians trying to learn and solve the principles of these magic arrays, they...