रात्रियुद्धे महाघोरे वर्तमाने सुदारुणे
rātriyuddhe mahāghore vartamāne sudāruṇe
సంజయుడు పలికెను—ఆ రాత్రి యుద్ధము సాగుచుండగా—అత్యంత భయంకరమై, పరమ క్రూరమై—…
संजय उवाच
The line frames the ethical atmosphere of the episode: warfare conducted at night is presented as exceptionally dreadful and harsh, signaling a descent into more terrifying, less restrained modes of conflict and inviting reflection on how conditions of war can erode dharmic limits.
Sañjaya sets the scene for the next events by stating that a fierce and brutal battle is taking place at night; the verse functions as a narrative transition emphasizing the intensity and ominous character of the ongoing combat.