> wealth, love, happiness, destruction of enemies, getting more opportunities

One should be aware of the fact that these things can be pursued quite effectively with no need for seeking out or confronting any malevolent beings or forces, and this will generally be an easier and more fruitful approach, at least for the novice practitioner. It's very rare that even one's outwardly "selfish" goals are not far more amenable to a positive approach which can implicitly leverage the "loving kindness" that's inherent to the universe according to many practitioners of magick and similar pursuits-- relying on it as a key regulating, stabilizing and harmonizing principle.