Historians such as Tacitus, Tertullian, Suetonius and many others recorded how Christianity faced unprecedented persecution after the death of Christ and the rise of Emperor Nero to power. All of the original apostles of Christ faced trials and were put to death either by the Roman Empire or local authority figures - but they all died for their faith.
Spiritual Warfare is very real. However, we are not helpless or without defense. To be equipped we have been given specific spiritual tools to fight the enemy. Our understanding of these tools is vital in our day to day struggles against the enemy. That is why we need to Arm ourselves and put on the Armor of God every day.