Mahabharata 6.41.48

द्रोण उवाच · droṇa uvāca

यदि मां नाभिगच्छेथा युद्धाय कृतनिश्चयःशपेयं त्वां महाराज पराभावाय सर्वशः

yadi māṃ nābhigacchethā yuddhāya kṛtaniścayaḥśapeyaṃ tvāṃ mahārāja parābhāvāya sarvaśaḥ

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