Agni Purana (Jyotisha Selections) · by Vyasa
Chapter 3 · Name Letters and Chakras
युद्धजयार्णवः (चक्राणि)
मण्डलानि प्रवक्ष्यामि चतुर्धा विजयाय हि ।कृत्तिका च मघा पुष्यं पूर्वा चैव तु फल्गुनी ॥ १ ॥
In the full Agni Purana this is chapter 130, verse 1.
I will tell the four mandala (region of the sky) groups for victory. They are Krittika, Magha, Pushya and Purva Phalguni,
Simple meaning: There are four groups of nakshatras used to read victory. The first group begins with Krittika, Magha, Pushya and Purva Phalguni.
विशाखा भरणी चैव पूर्वभाद्रपदा तथा ।
The Fire group has Vishakha, Bharani and Purva Bhadrapada. Its signs are told next.
यद्यत्र चलते वायुर्वेष्टनं शशिसूर्ययोः ।
Wind, a ring round the Sun or Moon, an earthquake or an eclipse in this group are warning signs.
धूमज्वाला दिशां दाहः केतोश्चैव प्रदर्शनम् ।
Smoke, flames, a comet, a rain of blood or falling stones are more of these warning signs.