Mahabharata 8.43.48

पञ्च नागसहस्राणि द्विगुणा वाजिनस्तथाअभिसंहत्य कौन्तेय पदातिप्रयुतानि चअन्योन्यरक्षितं वीर बलं त्वामभिवर्तते

pañca nāgasahasrāṇi dviguṇā vājinastathāabhisaṃhatya kaunteya padātiprayutāni caanyonyarakṣitaṃ vīra balaṃ tvāmabhivartate

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