Members of the church of satan gather and form what is known caves is the correct term to describe a local cabal. for membership in a cave must be members in good standing of the Church of Satan. Members of a cave to gather for rituals and ceremonies, and activities organized. Satanists are not obliged to do rituals, this is a personal choice. But what works in the way of the left hand, is done in a quiet place, a place where you will not be disturbed. We can do rituals alone or in groups. The best time to ritualize is the night because people are more receptive. Most times, the rituals are done on Friday evening but never on Sunday (Lord's day). The main sources of energy used during these rituals are the emotions and feelings.
Fundamentals following a Satanist: God has been created from scratch by men. We all have our own God, you are free to accept or not. Heaven and hell exist. It is simply an invention of Christianity to take its followers still and reap their precious taxes (tithes, quests, etc..) Satan is a being, a force of nature. The name Satan originally means "opposition" and "accuser". Satanism is an opposition wants to deal with religions hypocrites trying to stifle the natural instincts of men. The rituals are to kill humans or animals are prohibited. Such activity is illegal and it is unfortunately practiced by some young Christians who believe they are Satanists and Satan as a spiritual entity. True Satanists, respect nature, and they take care. Satanists do not celebrate, in principle, Black Mass (it is a parody of the Catholic religion). We will rather rituals and / or ceremonies. These rituals are performed in compliance and in concert with nature.