Mahabharata 3.17.21

तस्मिन्निपतिते वीरे गदानुन्ने महासुरेप्रविश्य महतीं सेनां योधयामास मे सुतः

tasminnipatite vīre gadānunne mahāsurepraviśya mahatīṃ senāṃ yodhayāmāsa me sutaḥ

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