Agni Purana (Jyotisha Selections) · by Vyasa
Chapter 3 · Name Letters and Chakras
युद्धजयार्णवः (चक्राणि)
यन्त्रस्य धारणाद्रोगाः शाम्यन्ति रिपवो मृतिः ।विद्यां तु भेलखीं वक्ष्ये विप्रयोगमृतेर्हरी(रा)म् ॥ ४४ ॥
In the full Agni Purana this is chapter 133, verse 44.
By wearing the yantra (drawn figure), illnesses, enemies and death are calmed. I will tell the Bhelakhi spell, which takes away separation and death.
Simple meaning: Wearing the figure calms illness, enemies and death. The Bhelakhi spell comes next.
Classical view, not medical advice.
नवदुर्गासप्तजप्तान्मुखस्तम्भो मुखस्थितात् ॥ ४६ ॥
A thing charmed seven times with the Nava Durga spell, held in the mouth, stops speech.
गृहीत्वा सप्तजप्तं तु खड्गयुद्धेऽपराजितः ॥ ४८ ॥
Holding a thing charmed seven times, one cannot be beaten in a sword fight.
मन्त्रौषधानि चक्राणि वक्ष्ये सर्वप्रदानि च ।
Next come spells, herbs and chakras. For a thief's name, the letter count and vowel marks are counted.