vrtras tu sa katham papah
vrtrah-Vrtrasura; tu-but; sah-he; katham-how; papah-although sinful (getting the body of a demon); sarva-loka-of all the three worlds; upatapanah-the cause of suffering; ittham-such; drdha-matih-firmly fixed intelligence; krsne-in Krsna; asit-there was; saṅgrame ulbane-in the great blazing fire of battle.