Revelation 9:1

"And the fifth angel sounded, and I saw a star fall from heaven unto the earth: and to him was given the key of the bottomless pit."

Cross References (ranked by relevance)

Revelation 8:10 13

And the third angel sounded, and there fell a great star from heaven, burning as it were a lamp, and it fell upon the third part of the rivers, and upon the fountains of waters;

Revelation 9:2

And he opened the bottomless pit; and there arose a smoke out of the pit, as the smoke of a great furnace; and the sun and the air were darkened by reason of the smoke of the pit.

Romans 10:7

Or, Who shall descend into the deep? (that is, to bring up Christ again from the dead.)

Revelation 1:18

I am he that liveth, and was dead; and, behold, I am alive for evermore, Amen; and have the keys of hell and of death.

Luke 8:31

And they besought him that he would not command them to go out into the deep.

Revelation 20:1

And I saw an angel come down from heaven, having the key of the bottomless pit and a great chain in his hand.

Revelation 17:8

The beast that thou sawest was, and is not; and shall ascend out of the bottomless pit, and go into perdition: and they that dwell on the earth shall wonder, whose names were not written in the book of life from the foundation of the world, when they behold the beast that was, and is not, and yet is.

Luke 10:18

And he said unto them, I beheld Satan as lightning fall from heaven.

Revelation 8:2

And I saw the seven angels which stood before God; and to them were given seven trumpets.

Revelation 8:12

And the fourth angel sounded, and the third part of the sun was smitten, and the third part of the moon, and the third part of the stars; so as the third part of them was darkened, and the day shone not for a third part of it, and the night likewise.

Revelation 20:10

And the devil that deceived them was cast into the lake of fire and brimstone, where the beast and the false prophet are, and shall be tormented day and night for ever and ever.

Isaiah 14:12

How art thou fallen from heaven, O Lucifer, son of the morning! how art thou cut down to the ground, which didst weaken the nations!

Revelation 1:20

The mystery of the seven stars which thou sawest in my right hand, and the seven golden candlesticks. The seven stars are the angels of the seven churches: and the seven candlesticks which thou sawest are the seven churches.