Then the brothers showered a blazing volley of shafts on that Rākşasa, resembling the Destroyer himself. The text has Kalāntakayamopame-abl..~~ resembling Kala, Antaka, or Yama. The commentator cites a sloka, which assigns three several functions to the three, Kāla execute his office on the occasion of the separation of life from the body; Antaka compasses the end; and Yama finally sits in judgement upon the departed soul. But this strikes me as misplaced erudition. I, however, give the commonsense rendering,
अथ तौ भ्रातरौ दीप्तं शरवर्षं ववर्षतुः। विराधे राक्षसे तस्मिन् कालान्तकयमोपमे॥