Mahabharata 9.35.25

अथ त्रितो वृकं दृष्ट्वा पथि तिष्ठन्तमग्रतःतद्भयादपसर्पन्वै तस्मिन्कूपे पपात हअगाधे सुमहाघोरे सर्वभूतभयंकरे

atha trito vṛkaṃ dṛṣṭvā pathi tiṣṭhantamagrataḥtadbhayādapasarpanvai tasminkūpe papāta haagādhe sumahāghore sarvabhūtabhayaṃkare

Our plain-language meaning of this verse is waiting for scholar review.