Satan and his demonic allies can appear frightening to us, scaring us in a variety of ways.
However, St. John Paul II believed that Christians should not fear Satan, provided that we fully embrace the victory of Jesus Christ.
In a general audience in 1999, he explained why the fear of Satan should be absent from our live
The true key for us in removing our fear of Satan is fully accepting that victory of Jesus Christ in our lives.
Often we are afraid of Satan and his demonic forces when we begin to doubt Jesus' power. We think that Satan is more powerful, when in truth, he runs away like a coward when the name of Jesus is uttered.
If we have a firm and confident faith in Jesus Christ, we should have nothing to fear.