अश्वत्थामा बलिर्व्यासो हनुमांश्च विभीषण:। The entire ritual must be conducted in the evening. Yantras energized in the evenings of Maha Shivratri, Holi and Diwali are only and strong. Right before putting on a Yantra, foremost it ought to be drawn using the 8 Kaula perfumes and The real key mantra https://www.youtube.com/@Mahavidyabaglamukhi