The dua has deep historical roots in Shia and Bohra tradition:
The prayer strengthens Yaqeen (certainty) in Allah, reducing anxiety and overthinking. Dafil Afat Dua Pdf
It can be whispered or recited aloud with full sincerity whenever one feels overwhelmed by panic or fear. Dafil Afat Dua PDF Resources The dua has deep historical roots in Shia