bhujaṁ ca tasyoraga-rāja-bhogam

khe-in the sky; apatat-flying toward him; tat-that trident; vicalat-rotating; graha-ulka-vat-like a falling star; niriksya-observing; duspreksyam-unbearable to see; ajata-viklavah-not afraid; vajrena-with the thunderbolt; vajri-Indra, the holder of the thunderbolt; sata-parvana-possessing one hundred joints; acchinat-cut; bhujam-the arm; ca-and; tasya-of him (Vrtrasura); uraga-raja-of the great serpent Vasuki; bhogam-like the body.