The Divine Mercy Chaplet is a prayer in the Roman Catholic Church that focuses on invoking God's mercy, especially in light of the revelations to St. Faustina Kowalska. Here's a detailed description of the Divine Mercy Chaplet:

The Divine Mercy Chaplet Prayer

Structure:

1. Sign of the Cross:
   • In the name of the Father, and of the Son, and of the Holy Spirit. Amen.
2. Optional Opening Prayers:
   • You may begin with an optional opening prayer, such as:
     • "You expired, Jesus, but the source of life gushed forth for souls, and the ocean of mercy opened up for the whole world. O Fount of Life, unfathomable Divine Mercy, envelop the whole world and empty Yourself out upon us."
3. First Decade (Beginning on the Crucifix):
   • On the first bead: Our Father
   • On the following three beads: Hail Mary (for faith, hope, and charity)
   • On the final bead: The Apostles' Creed
4. On the Our Father Bead:
   • Eternal Father, I offer You the Body and Blood, Soul and Divinity of Your dearly beloved Son, Our Lord Jesus Christ, in atonement for our sins and those of the whole world.
5. On the Hail Mary Beads (10 times):
   • For the sake of His sorrowful Passion, have mercy on us and on the whole world.
6. Conclude with (3 times):
   • Holy God, Holy Mighty One, Holy Immortal One, have mercy on us and on the whole world.
7. Optional Closing Prayer:
   • "Eternal God, in whom mercy is endless and the treasury of compassion inexhaustible, look kindly upon us and increase Your mercy in us, that in difficult moments we might not despair nor become despondent, but with great confidence submit ourselves to Your holy will, which is Love and Mercy itself."
8. Final Sign of the Cross:
   • In the name of the Father, and of the Son, and of the Holy Spirit. Amen.

Purpose of the Divine Mercy Chaplet

• Invocation of Mercy: The chaplet invokes God's mercy, asking for His compassion on sinners and the whole world, based on the revelations received by St. Faustina.
• Spiritual Comfort: It offers spiritual comfort and peace, particularly in times of trial and suffering, emphasizing trust in God's mercy.
• Intercessory Prayer: It serves as a powerful form of intercessory prayer for the living and the deceased, seeking divine mercy for all souls.

The Divine Mercy Chaplet is often prayed individually or in groups, especially on Fridays and during the Divine Mercy novena leading up to the Feast of Divine Mercy on the Sunday after Easter. It is a cherished devotion among Catholics worldwide, reflecting the profound belief in God's unfathomable mercy and love for humanity.