Thank you for the advice, in fact I had also seen enough warnings regarding creating thought forms for these purposes, since I had also thought about using that method, but at the moment I think it's better to tread carefully.
Here I am, I created the account to answer, however there is no problem, I have practiced both white magic and black magic and it is not the first time that I evoke this type of energy, and in most cases in black magic it has always had good success, I had practiced it all without meditating...