My Martial Soul in Cultivating Immortality Is a Function

In the Tianlang Continent, everyone can awaken different martial arts and embark on the path to immortality. However, the protagonist Ke Chufan awakens a very curious and absurd martial spirit: Function. When f(x)=a, a straight line parallel to the earth runs through the front and back When f(x)=kx+b, a slash kills the devil and suppresses the evil When f(x)=ax^2+bx+c, a parabola moves mountains and seas When f(x)=2^x, a curve breaks through the sky When f(x)=sinx, a wave destroys the world ...