Powerful prayers to the Archangels to ask for a grace

Invocation to the three Archangels
Glorious Archangel Michael, prince of celestial militias, defend us against all our visible and invisible enemies and never allow us to fall under their cruel tyranny. St. Archangel Gabriel, you who rightly are called the strength of God, since you have been chosen to announce to Mary the mystery in which the Almighty was to wonderfully manifest the strength of his arm, make us know the treasures enclosed in the person of the Son of God, and be our messenger to his holy Mother! San Raffaele Arcangelo, charitable guide of travelers, you who, with divine power, perform miraculous healings, deign to guide us during our earthly pilgrimage and suggest the true remedies that can heal our souls and our bodies. Amen.

Collection of the feast of the Archangels: «O God, who calls angels and men to cooperate in your plan of salvation, grant us pilgrims on earth the protection of blessed spirits, who are in heaven before you to serve you and contemplate glory of your face ».

Prayer on the offerings on the feast of the Archangels: "Accept Lord the offer of your Church: grant that for the hands of your angels it is brought before you and becomes for all men a source of forgiveness and salvation".

Prayer after communion on the feast of the Archangels: "Fortify our God with the mysterious power of the Eucharistic bread and make us, supported by your angels, advance with renewed vigor in the way of salvation".

Prayer for the blessing of the house, from an ancient text of the century. XVI. «Blessed be the holy name of Jesus with the nine angelic protectors. Let the four archangel saints be at the four corners of this house and want to be his guardians and defenders so that from now on no misfortune coming from the evil ghosts and human perfidy will strike you. Let Jesus' cross be the roof of this house. Let his arms be the latches of his door. May the crown of Jesus Christ be his shield and serve as his lock and wall his five holy wounds. Let this house be so well-defined in all its perimeter. You, most revered king of the heavens, protect with your benign wings the fruits of the fields, the gardens and the trees against the return of any misfortune. May we be given to live happily, in good health and as Christians. Amen".

Invocations to the nine choirs of the Archangels
Most holy angels, watch over us, everywhere and always. Most noble archangels, presented to God! And our prayers and sacrifices. Heavenly virtues, give us strength and courage in the trials of life. Powers from above, defend us against visible and invisible enemies. Sovereign principalities, govern our souls and our bodies. High dominations, reigned more over our humanity. Thrones on-rewards, get us peace. Cherubs full of zeal, dispel all our darkness. Seraphim full of love, inflame us with ardent love for the Lord. Amen.