Generally, Tantra is used to ward off the negative influences and to get good results and boons from harmful Gods and Goddess. Atharvana Veda is full of Tantric mantra and many Trantric texts like Mantra Mahodadhi give details of these complex rituals .
Our RajaGuru Brahma Sri Suryan Namboothiry is mastery over Atharvana Veda and its rituals. Swamiji, did various tantra mantra sadhana’s for welfare of Swamiji’s disciples. And to ward off evil eyes and harmful things.