What is the description of the sorcery whose practitioner is described as a disbeliever?

Question:
The statement of al-Shafi'i (may Allah have mercy on him): If one learns sorcery, we say to him: Describe your sorcery to us. If he describes what necessitates disbelief, such as the belief of the people of Babylon in drawing near to the seven stars and that they do what is sought from them, then he is a disbeliever. And if it does not necessitate disbelief, but he believes it is permissible, is he a disbeliever?

Answer:
The point is: Some people do not understand sorcery. If one knows that sorcery is attaching oneself to the Shayatins and calling upon them other than Allah, or calling upon idols or statues, this is major shirk (associating partners with Allah), a great calamity.
As for when it is medicines he performs or something that harms people, which is not called sorcery, that does not involve the worship of other than Allah, it is not called sorcery, and it does not affect people. Rather, it is things that harm people, such as diseases and such as wounds.
This is his intent (may Allah have mercy on him); the thing that does not contain the worship of other than Allah may only involve using things that may harm people, but it is not sorcery. It harms him in his leg, harms him in his hand, harms him in his head. Things he uses, either alcohol or smoke or things that harm him, which are not from the worship of other than Allah. This is from the category of injustice, from the category of aggression.