It will have six sides, it will be fearful, it will make terrible roars, it will be able to destroy even the greatest enemies . With that Vajra, Shatakratu (Indra) will kill Vitra.
महच्छत्रुहणं घोरं षडधे भीमनिःस्वनम्। तेन वज्रेण वै वृत्रं वधिष्यति शतक्रतुः॥