Agni Purana (Jyotisha Selections) · by Vyasa
Chapter 3 · Name Letters and Chakras
युद्धजयार्णवः (चक्राणि)
अमुं(स्य) चन्द्रग्रहणे तु जपं कृत्वा तु पिच्छिकाम् ।मन्त्रयेद्भ्रामयेत्सैन्यं संमुखं गजसिंहयोः ॥ २८ ॥
In the full Agni Purana this is chapter 133, verse 28.
At a lunar eclipse, chant this spell. Then charm the pichchhika (feather whisk) with it. Make the enemy army reel, as if facing elephants and lions.
Simple meaning: At a lunar eclipse, chant over the feather whisk. It makes the enemy army reel in fear.
ध्यानाद्रवान्मर्दयेच्च सिंहारूढो मृगाविकान् ।
Meditate as a lion-rider who crushes weak foes. Next comes breaking an army by sound from afar.
मातॄणां चरुकं दद्यात्कालरात्र्या विशेषतः ।
Offer cooked food to the Mothers, mainly Kalaratri, mixed with ash, jasmine and cotton root.
अरेर्नाशं दूरशब्दाज्जप्तया भङ्गविद्यया ।
A faraway sound with the spell destroys the enemy. A forehead mark of Aparajita and datura is used.