Agni Purana (Jyotisha Selections) · by Vyasa
Chapter 3 · Name Letters and Chakras
युद्धजयार्णवः (चक्राणि)
कर्पटे प्रतिमां लिख्य साध्यस्यैवाक्षरं यथा ।नामाथ नवधाऽऽलिख्य रिपोश्चैव यथाक्रमम् ॥ १७ ॥
In the full Agni Purana this is chapter 133, verse 17.
On cloth, draw a figure with the letters of the target's name. Then write the enemy's name nine times, in order.
Simple meaning: Draw a figure on cloth, with the target's name in it. Write the enemy's name nine times.
मूर्ध्नि वक्त्रे ललाटे च हृदये गुह्यपादयोः ।
Write the name nine times on the nine places of the figure, from head to feet.
मोटयेद्युद्धकाले तु उच्चरित्वा(समुच्चार्य) तु विद्यया ।
Crush the figure at battle time after the spell. Next comes the Tarkshya chakra for victory.
क्षिप ॐ स्वाहा तार्क्ष्यात्मा शत्रुरोगविषादिनुत् ।
The Tarkshya spell Kshipa Om Svaha is said to drive away enemies, illness and poison.