Afterwards mantras ended up made use of a lot more to protect the spiritual lifetime of the chanter, and sections on mantras started to be A part of some Mahayana sutras including the White Lotus Sutra, along with the Lankavatara Sutra. The scope of safety also changed in this time. https://preniumdirectory.com/listings13080988/how-much-you-need-to-expect-you-ll-pay-for-a-good-mantra