Natyashastra
विष्णुप्रहरणं चैव नागराजं च वासुकिम् । वज्रं विद्युत्समुद्रांश्च गन्धर्वाप्सरसो मुनीन् ॥ ७॥
To Vishnu's weapons, the Nāgarāja Vasuki, the Vajra, the ocean of lightning, the Gandharvas, the Apsaras, and the sages.
english translation
viSNupraharaNaM caiva nAgarAjaM ca vAsukim । vajraM vidyutsamudrAMzca gandharvApsaraso munIn ॥ 7॥
hk transliteration by Sanscript