Then I kept watching because of the arrogant words the horn was speaking. As I continued to watch, the beast was slain, and its body was destroyed and thrown into the blazing fire.
KJV
I beheld then because of the voice of the great words which the horn spake: I beheld [even] till the beast was slain, and his body destroyed, and given to the burning flame.
ASV
I beheld at that time because of the voice of the great words which the horn spake; I beheld even till the beast was slain, and its body destroyed, and it was given to be burned with fire.