रजनीचरेश: one who wanders at night (Rakshasa), ससुतम् your sons, सबन्धुं: your relatives, सज्ञातिवर्गम् your kinsfolk, त्वाम् you, अहम् I, निहम्नि: will kill, महता: mighty, बलेन: prowess, समेत्यसर्वाम् altogether, लङ्काम् even Lanka, क्षिप्रम् at once, भस्म: burn to ashes, करिष्यामि: I will turn into.

"O Night ranger Ravana I shall kill all your sons, relatives, your kinsfolk. I shall come at once and even burn Lanka into ashes with my mighty prowess."