Revelation 9:1
And the fifth angel sounded; and I saw a Star fall from the heaven to the earth; and there was given to him the key of the bottomless pit.
Revelation 12:7-9
And there was war in heaven: Michael and his angels made war against the dragon; and the dragon made war, and his angels:
1 John 3:8
He who works sin, is of the devil; for the devil sins from the beginning. For this purpose, the Son of God was manifested, that he might destroy the works of the devil.
Revelation 20:2
And he laid hold on the dragon, that old serpent, who is the Devil, and Satan, and bound him for a thousand years;