Later mantras have been utilised a lot more to protect the spiritual life of the chanter, and sections on mantras began to be included in some Mahayana sutras such as the White Lotus Sutra, plus the Lankavatara Sutra. The scope of defense also improved in this time. In the Sutra https://johnnybxsnh.elbloglibre.com/32592216/5-simple-statements-about-photo-se-vashikaran-explained