'Fallen' in the Bible

So remember the heights from which you have fallen, and repent [change your inner self—your old way of thinking, your sinful behavior—seek God’s will] and do the works you did at first [when you first knew Me]; otherwise, I will visit you and remove your lampstand (the church, its impact) from its place—unless you repent.

Then the fifth angel sounded [his trumpet], and I saw a star (angelic being) that had fallen from heaven to the earth; and the key of the bottomless pit (abyss) was given to him (the star-angel).

Then another angel, a second one, followed, saying, “Fallen, fallen is Babylon the great, she who has made all nations drink the wine of the passion of her immorality [corrupting them with idolatry].”

and they are seven kings: five of whom have fallen, one exists and is reigning; the other [the seventh] has not yet come, and when he does come, he must remain a little while.

And he shouted with a mighty voice, saying, “Fallen, fallen [certainly to be destroyed] is Babylon the great! She has become a dwelling place for demons, a dungeon haunted by every unclean spirit, and a prison for every unclean and loathsome bird.