Mahabharata 8.63.56
वसूनां च सलोकत्वं मरुतां वा समाप्नुयात्सहितो द्रोणभीष्माभ्यां नाकलोके महीयताम्
vasūnāṃ ca salokatvaṃ marutāṃ vā samāpnuyātsahito droṇabhīṣmābhyāṃ nākaloke mahīyatām
Our plain-language meaning of this verse is waiting for scholar review.