sahendrā nata-kandharāḥ

taih-by them (the demons); visrsta-thrown; isubhih-by the arrows; tiksnaih-very sharp; nirbhinna-pierced all over; aṅga-bodies; uru-thighs; bahavah-and arms; brahmanam-of Lord Brahma; saranam-the shelter; jagmuh-approached; saha-indrah-with King Indra; nata-kandharah-their heads bent downward.