Revelation 9:1

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

Revelation 8:10

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

Luke 8:31

And they entreated him that he would not command them to depart into the abyss.

Revelation 1:18

and the Living one; and I was dead, and behold, I am alive for evermore, and I have the keys of death and of Hades.

Revelation 9:2

And he opened the pit of the abyss; and there went up 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.

Luke 10:18

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

Romans 10:7

or, Who shall descend into the abyss? (That is, to bring Christ up from the dead.)

Revelation 17:8

The beast that thou sawest was, and is not; and is about to come up out of the abyss, and to go into perdition. And they that dwell on the earth shall wonder, they whose name hath not been written in the book of life from the foundation of the world, when they behold the beast, how that he was, and is not, and shall come.

Revelation 20:1

And I saw an angel coming down out of heaven, having the key of the abyss and a great chain in his hand.

Isaiah 14:12

How art thou fallen from heaven, O day-star, son of the morning! how art thou cut down to the ground, that didst lay low the nations!

2 Thessalonians 2:3-8

let no man beguile you in any wise: for it will not be, except the falling away come first, and the man of sin be revealed, the son of perdition,

2 Timothy 3:1-5

But know this, that in the last days grievous times shall come.

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 are seven churches.

Revelation 8:2

And I saw the seven angels that stand before God; and there were given unto them seven trumpets.

Revelation 8:6-8

And the seven angels that had the seven trumpets prepared themselves to sound.

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; that the third part of them should be darkened, and the day should not shine for the third part of it, and the night in like manner.

Revelation 9:11-13

They have over them as king the angel of the abyss: his name in Hebrew is Abaddon, and in the Greek tongue he hath the name Apollyon.

Revelation 11:14-15

The second Woe is past: behold, the third Woe cometh quickly.

Revelation 20:10

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

Treasury of Scripture Knowledge

Summary

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.

Bible References

The fifth

Revelation 9:12
The first Woe is past: behold, there come yet two Woes hereafter.
Revelation 8:6
And the seven angels that had the seven trumpets prepared themselves to sound.
Revelation 11:14
The second Woe is past: behold, the third Woe cometh quickly.

A star

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 are seven churches.
Revelation 8:10
And the third angel sounded, and there fell from heaven a great star, burning as a torch, and it fell upon the third part of the rivers, and upon the fountains of the waters;
Isaiah 14:12
How art thou fallen from heaven, O day-star, son of the morning! how art thou cut down to the ground, that didst lay low the nations!
Luke 10:18
And he said unto them, I beheld Satan fallen as lightning from heaven.
2 Thessalonians 2:3
let no man beguile you in any wise: for it will not be, except the falling away come first, and the man of sin be revealed, the son of perdition,
2 Timothy 3:1
But know this, that in the last days grievous times shall come.

To him

Revelation 1:18
and the Living one; and I was dead, and behold, I am alive for evermore, and I have the keys of death and of Hades.
Revelation 20:1
And I saw an angel coming down out of heaven, having the key of the abyss and a great chain in his hand.

American Standard Version Public Domain