A true and sincere spirit of humility
From the Novena to St. Michael the Archangel
Sacred Scripture: Daniel 10:13
Meditation for Day 3
The Thrones bear the weight of God's majesty and are the very seat of divine judgment; through their choir, St. Michael intercedes that a true spirit of humility may be infused into our hearts. It was pride that turned Lucifer into Satan, and it is humility — the virtue most opposed to that sin — that opens us to God's strength. Scripture shows St. Michael himself as an angel who does not presume on his own authority but says, May the Lord rebuke you (Jude 1:9), setting the perfect example of humble dependence on God. Beg St. Michael today to crush pride in your soul as he once crushed the pride of the rebel angels.Daily Novena Prayer (recited every day)
Closing Prayer
O glorious prince St. Michael, chief and commander of the heavenly hosts, guardian of souls, vanquisher of rebel spirits, servant in the house of the Divine King and our admirable conductor, you who shine with excellence and superhuman virtue deliver us from all evil, who turn to you with confidence and enable us by your gracious protection to serve God more and more faithfully every day. Pray for us, O glorious St. Michael, Prince of the Church of Jesus Christ, that we may be made worthy of His promises. Almighty and Everlasting God, Who, by a prodigy of goodness and a merciful desire for the salvation of all men, has appointed the most glorious Archangel St. Michael Prince of Your Church, make us worthy, we ask You, to be delivered from all our enemies, that none of them may harass us at the hour of death, but that we may be conducted by him into Your Presence. This we ask through the merits of Jesus Christ Our Lord. Amen.
Concluding prayers: Many novena traditions add one Our Father, one Hail Mary, and one Glory Be at the close of each day's prayer.
Source
https://www.ewtn.com/catholicism/devotions/chaplet-of-st-michael-the-archangel-386