Tantra maintains that the state of spiritual wisdom and liberation can occur through the direct experience of the senses under the lucid control of the practitioner.
Tantra Yoga is essentially different from other forms of yoga because it is not based on negations or mortifications, but on the most intense and conscious living of sensory perceptions, pleasure and bliss. The traditional text, Kularnava Tantra, states that: "no one will be able to hold spiritual perfection using difficult and boring operations, because perfection can be easily achieved using the satisfaction of all senses."
Thus, if constantly used for spiritual elevation the same thing that for others would cause decay, then the venom or river becomes a beatific cure.
In the Mahanirvana Tantra it is said: "On the path of the Tantra there is at the same time the possibility of frenetic living of worldly pleasures and obtaining the state of wisdom, as well as the acquisition of the paranormal capacities which it spontaneously confers".
Although it is not the purpose of spiritual practice itself, often the occult powers acquired predict success on the spiritual path. They can distract the practitioner from the true spiritual purpose; being also special gifts that should not be denied, but not exploited. The occult powers (siddhis) refer to unexplained phenomena such as telepathy, the power to make something happen at will, visions of the past or future and all other superhuman traits. Ideally, the person acquiring these capabilities should not attach to them or allow the ego to amplify, but instead cultivate a detached attitude of expectation.
In traditional Hindu Yoga, there are five ways in which the siddhis can be acquired: "gifts from birth, due to spiritual activities performed in previous life or lives; austerities through which karma is burned that prevents the human being from releasing the latent divine powers existing in its interior; the mantras that purify the psyche and attract spiritual powers by themselves; certain "magical" substances (ausadhi), such as some rare plants and minerals (some of them alchemical in nature), and which confer a special force. for the aspirant; extended periods spent in the state of samadhi - deep meditative communion with God. "
To these five causes listed above, the tantrics also add the power that the woman has as the incarnate goddess. When a woman is worshiped as a goddess and is served with devotion, she may spontaneously confer on the worshiper occult powers or siddhi-suri as a blessing or spiritual empowerment. This is another extremely powerful Tantric secret.