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MyPrayerTower
DevotionsOctober 2, 2025

The 15 Promises of the Rosary: Why You Should Pray It Daily

The Virgin Mary made 15 specific promises to those who faithfully pray the Rosary. From 'Signal Graces' to deliverance from Purgatory, here is the complete breakdown.

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MyPrayerTower Team
10 min read Spiritual Study

Why pray the Rosary? It takes 15-20 minutes. It's repetitive. It's easy to get distracted. And yet, saints, popes, and exorcists agree: It is the most powerful weapon in the world.

But did you know that the Rosary comes with a contract? According to tradition, the Blessed Virgin Mary gave 15 Specific Promises to St. Dominic (12th century) and Blessed Alan de la Roche (15th century) for those who recite her Rosary faithfully.

These aren't just nice sentiments. They are spiritual guarantees. From "Signal Graces" to protection in battle, here is exactly what you sign up for when you pick up your beads.


The History of the Promises

The Rosary as we know it developed over centuries, but its "power" was revealed to St. Dominic in his fight against the Albigensian heresy. Mary told him: "Preach my Rosary." Centuries later, Blessed Alan de la Roche (a Dominican priest) received visions where Mary codified the benefits of this prayer into 15 specific points. These promises have been cherished by Catholics for 500 years.


The 15 Promises (Broken Down)

1. Special Protection

"Whosoever shall faithfully serve me by the recitation of the Rosary shall receive signal graces."

What it means: A "Signal Grace" is a sign from God. It's a "God-incidence." You ask for guidance, and a song comes on the radio with the answer. You are lonely, and a friend calls. It is God winking at you, confirming that you are on the right path.

2. Armor Against Hell

"I promise my special protection and the greatest graces to all those who shall recite the Rosary."

What it means: The Rosary is a shield. Demons hate it. Exorcists report that during exorcisms, demons often scream that the Rosary burns them like fire. If you pray it, you are walking under Mary's mantle.

3. The Weapon Against Vice

"The Rosary shall be a powerful armor against hell, it will destroy vice, decrease sin, and defeat heresies."

What it means: You cannot hold the hand of Mary and the hand of Sin at the same time. Eventually, one will let go. If you are struggling with a habitual sin (lust, anger, pride), start praying the Rosary. You will either stop sinning, or you will stop praying.

4. Virtue Will Flourish

"It will cause good works to flourish; it will obtain for souls the abundant mercy of God; it will withdraw the hearts of men from the love of the world and its vanities, and will lift them to the desire of eternal things. Oh, that souls would sanctify themselves by this means."

What it means: You will stop caring so much about money, fame, and Instagram likes. You will start caring about what actually matters: Eternity.

5. No Soul Will Perish

"The soul which recommends itself to me by the recitation of the Rosary shall not perish."

What it means: This is a bold promise. It doesn't mean you can sin without consequence. It means Mary will not let you die in a state of unrepentant mortal sin. She will obtain the grace of final repentance for you before the end.

6. Protection from Misfortune

"Whosoever shall recite the Rosary devoutly, applying himself to the consideration of its Sacred Mysteries, shall never be conquered by misfortune. God will not chastise him in His justice, he shall not perish by an unprovided death; if he be just he shall remain in the grace of God and become worthy of eternal life."

What it means:

  • "Unprovided death": Dying suddenly without the Sacraments (Confession/Anointing).
  • Mary promises you will have time to get right with God before you die.

7. The Sacraments

"Whoever shall have a true devotion for the Rosary shall not die without the Sacraments of the Church."

What it means: Confirmed. You will get a priest at your deathbed.

8. Light in Death

"Those who are faithful to recite the Rosary shall have, during their life and at their death, the light of God and the plenitude of His graces; at the moment of death they shall participate in the merits of the Saints in Paradise."

What it means: Death is scary. But for the Rosary warrior, it will be illuminated. You won't die alone; the entire court of Heaven will be with you.

9. Deliverance from Purgatory

"I shall deliver from Purgatory those who have been devoted to the Rosary."

What it means: Start praying the Rosary for your deceased relatives now. And hope someone prays it for you later. Mary herself descends to Purgatory to comfort her specialized servants.

10. High Glory

"The faithful children of the Rosary shall merit a high degree of glory in Heaven."

What it means: There are degrees of glory in Heaven (one star differs from another in brightness). Rosary devotees will shine brighter.

11. Obtained by Asking

"You shall obtain all you ask of me by the recitation of the Rosary."

What it means: Jesus refuses His mother nothing that is good for us. (Key phrase: that is good for us). If you really want something, pray a 54-Day Rosary Novena.

12. Aid in Necessity

"All those who propagate the Holy Rosary shall be aided by me in their necessities."

What it means: If you help others pray the Rosary (by sharing this article, buying them beads, or leading a group), Mary will pay your bills. She takes care of her promoters.

13. The Court of Heaven

"I have obtained from my Divine Son that all the advocates of the Rosary shall have for intercessors the entire Celestial Court during their life and at the hour of death."

What it means: You get the whole team. St. Michael, St. Joseph, St. Peter... they are all on your side.

14. Family

"All who recite the Rosary are my sons, and brothers of my only Son, Jesus Christ."

What it means: It confirms your spiritual adoption. You are part of the Holy Family.

15. Predestination

"Devotion of my Rosary is a great sign of predestination."

What it means: If you love the Rosary, it is a sign that God has already marked you for Heaven. It is a "ticket" that suggests you are on the narrow path.


How to Claim Them

There is no fine print, but there is one condition: Devotion. You cannot just rattle off words like a parrot. Promise #6 says: "Applying himself to the consideration of its Sacred Mysteries."

The Rosary is a meditation. If you just say "Hail Mary" while thinking about your grocery list, you are missing the point. You must try to think about the life of Jesus (The Mysteries).

  • Distracted? That's okay. St. Therese said, "I am so distracted when I pray the Rosary." But she kept praying. The effort counts.
  • Bored? Love is repetitive. You say "I love you" to your spouse every day. The Rosary is saying "I love you" to Jesus 53 times.

Conclusion: Pick Up Your Weapon

In 1571, the Pope asked all of Europe to pray the Rosary to save Christendom from an invasion. They did, he won (Battle of Lepanto), and the world changed. Your life is a battlefield. Your family is a battlefield. Don't go into it unarmed.

Want to track your Rosary streak? Download the MyPrayerTower app and join thousands of others claiming the 15 Promises today.

"O Mary, conceived without sin, pray for us who have recourse to thee."
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