A Prayer to Defeat the Work of Satan

O Divine Eternal Father, in union with your Divine Son and the Holy Spirit, and through the Immaculate Heart of Mary, I beg You to destroy the Power of your greatest enemy - the evil spirits. Cast them into the deepest recesses of hell and chain them there forever! Take possession of your Kingdom which You have created and which is rightfully yours. Heavenly Father, give us the reign of the Sacred Heart of Jesus and the Immaculate Heart of Mary. I repeat this prayer out of pure love for You with every beat of my heart and with every breath I take. Amen

Source: Catholic Online

A Powerful Prayer to Saint Joseph

Oh, St. Joseph, whose protection is so great, so strong, so prompt before the throne of God. I place in you all my interests and desires. Oh, St. Joseph, do assist me by your powerful intercession, and obtain for me from your divine Son all spiritual blessings, through Jesus Christ, our Lord. So that, having engaged here below your heavenly power, I may offer my thanksgiving and homage to the most loving of Fathers.

Oh, St. Joseph, I never weary of contemplating you, and Jesus asleep in your arms; I dare not approach while He reposes near your heart. Press Him in my name and kiss His fine head for me and ask him to return the Kiss when I draw my dying breath. St. Joseph, Patron of departing souls - Pray for me.