Revelation 12:3

12:3 Then ¹  another sign appeared in heaven: a huge red dragon that had seven heads and ten horns, and on its heads were seven diadem crowns. ² 

Revelation 12:9

12:9 So ³  that huge dragon – the ancient serpent, the one called the devil and Satan, who deceives the whole world – was thrown down to the earth, and his angels along with him.

¹ tn Here καί (kai) has been translated as “then” to indicate the implied sequence of events within the vision.

² tn For the translation of διάδημα (diadhma) as “diadem crown” see L&N 6.196.

³ tn Here καί (kai) has been translated as “so” to indicate the result of the war in heaven.