The Virgin Mary is powerful in spiritual warfare because demons hate her and her invocation drives them into panic. Satan has done everything to discourage devotion to The Eternal Mother.
God revealed to Satan his ultimate defeat will come from a woman, when he induced Adam and Eve into sin. Satan is on an annihilation rampage because he knows his time is expiring, and is afraid and angry, for he knows the Blessed Mother will crush him. The weakness of Eve was replaced by the humble obedience of Mary to God which made her powerful beyond limits.
I present some excerpts from Warriors of St. Michael to contrast Mary to Lucifer:
Lucifer is the most perfect creature by nature; Mary is the most perfect creature by grace.
Lucifer corrupted himself by disobedience; Mary sanctified herself by obedience.
Lucifer wanted to be king, refusing to serve, and in the end became nothing; Mary wanted to be nothing, desiring to serve, and in the end was crowned Queen of Heaven.
The first star, Lucifer, fell from the angelic firmament; the second star, Mary, was elevated.
The first star that was spirit fell to the earth; the second star that was human ascended to heaven.
Lucifer did not want to accept the Son of God made man; the Blessed Virgin Mary welcomed him into her womb.
Lucifer is a spiritual being who ended up making himself worse than a beast (continuing spiritual); Mary is a human being that ended up becoming better that an angel (continuing human).
The late Chief Rome exorcist, Father Gabriele Amorth, said the devil admitted he fears the most Christ, Mary, and Saint John Paul II. The exorcist asked Satan: “why are you more afraid when I invoke Mary than when I invoke Christ?” “I am more humiliated to be defeated by a human creature than by Christ,” Satan replied. The saint converted many young people and played a role in the downfall of communism.
“Demons exercise two powers over humankind – ordinary and extraordinary,” said Fr. Amorth. The ordinary power comprises tempting persons to distance them from God and take them to Hell. Satan exercises extraordinary powers when he focuses on a person. These come in the form of diabolical possession; diabolical vexation such as with Padre Pio who was physically beaten by Satan; obsessions which can lead a person to desperation; and the occupation of a home, animal or object.
Young people seeking satanic sects, séances, and drugs are targets of extraordinary occurrences, and Fr. Amorth claimed women outnumber men by three to one, for they are descendants of Eve and are more spiritually tuned than men.