This Yakshini Mantra Sadhana, if successful is said to make the Vibhrama Yakshini live with Sadhaka like his wife, follow his orders, be completely under his control, bless him with all kinds of wealth, and give him sexual pleasure. Having said this, the experiment needs a lot of daring and self-determination as the Sadhaka is attempting to invoke a very powerful mystical being that can destroy him in no time. The earlier post can be seen - Here.
The Mantra Prayoga to attract the Vibhrama Yakshini has to be performed in a lonely and clean place, where there are likely to be no disturbances while the Sadhaka is performing the Mantra Sadhana. The Sadhaka has to sit down comfortably on of Aasana of Straw [Sitting Mat prepared from Straw] and chant the Vibhrama Yakshini Jagaruti Mantra given below 100,000 times.
ॐ ह्रीं भर भर स्वाहा ||
Om Hreem Bhar Bhar Swaha ||
Once the prescribed number of Mantra Chants is completed, the Sadhaka has to prepare a Triangular Havan Kund in the same spot, which he has used for the Mantra Chanting. The Sadhaka has to perform Dashansh Havan [One thenth of the number of Mantra Chants, which is 10,000] and offer Cow Milk, Pure Ghee and Pure Honey to the Havan. Each time he makes the offerings to the Havan, he has to Chant the Vibhrama Yakshini Mantra.
It the Sadhaka performs the Vibhrama Yakshini Mantra Sadhana correctly then the Yakshini become attracted towards the Sadhaka and his life is fulfilled.