The Vedas, the sacred texts of Hinduism, had been the 1st book to mention them. Yantras have been in the beginning utilized being a Software for ritual worship and later became connected with a mystical diagram and magical spell. To Lakshmi: oṃ śrīṃ hrīṃ śrīṃ kamale kamalālaye prasīda prasīda; oṃ https://www.youtube.com/@Mahavidyabaglamukhi