Is it real that the divine mercy chaplet can be used when you feel there is a demonic influence in your life?

Yes, within the Catholic faith, the Divine Mercy Chaplet is considered a powerful prayer that can be used for protection and help when one feels demonic influence. It is often included in the "spiritual arsenal" recommended by priests and Catholic resources for spiritual warfare. 

The Chaplet's Role in Spiritual Warfare

• A Powerful Weapon: Many Catholic sources describe the Chaplet of Divine Mercy as one of the most powerful prayers available, with the ability to "unmask evil and save souls".

• Invoking God's Mercy: The core of the prayer is the invocation: "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," followed by "For the sake of His sorrowful Passion, have mercy on us and on the whole world". This act of offering Christ's sacrifice to the Father is believed to be immensely powerful against evil, as "the devil is nothing against the mercy of God".

• Jesus' Promise: According to the diary of St. Faustina Kowalska, to whom the devotion was revealed, Jesus attached extraordinary promises to the chaplet, including that the souls who say it will be "embraced by My mercy during their lifetime and especially at the hour of their death" and that priests would recommend it as the "last hope of salvation" for sinners. This emphasis on salvation and mercy is a direct counter to the devil's aims.

• Protection: The prayer is often mentioned alongside other traditional spiritual weapons like the Rosary and the St. Michael Prayer as a means of seeking God's protection and resisting the devil, who "will flee from you" if you submit to God. 

Key Steps for Addressing Demonic Influence

While the Chaplet is a potent private devotion, the Catholic Church also emphasizes a holistic approach to dealing with perceived demonic influence: 

1. Sacramental Life: Regular reception of the sacraments, especially the Eucharist and Confession, is considered the most crucial defense.

2. Virtuous Living: Living a life rooted in God's grace and avoiding sin helps fortify the soul against evil influences.

3. Seeking Priestly Guidance: If someone suspects serious demonic influence, they are strongly advised to seek guidance from a priest, who can discern the situation and, if necessary, involve a trained exorcist. 

In summary, the Divine Mercy Chaplet is a widely recognized and powerful prayer within the Catholic tradition for calling on God's mercy and a key part of one's spiritual defense against evil influences.