Jainists use mantras in everyday prayers and in rituals to honor the Tirthankara, who was the Jainsit savior.  Cundī dhāraṇī or mantra also 1st appeared while in the Kāraṇḍavyūhasūtra: namaḥ saptānāṃ samyaksaṃbuddha koṭīnāṃ tadyathā oṃ cale cule cunde svāhā In Buddhism, mantras are Utilized in meditation and in spiritual practice https://phrasedirectory.com/listings13345899/top-hanuman-secrets