Revelation 9:1

And the fifth angel sounded, and I saw a star falling from heaven upon the earth, and to him was given the key of the bottomless pit.

Revelation 8:10

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

Luke 8:31

And they besought him, that he would not command them to go into the abyss.

Revelation 1:18

And he that liveth and was dead, and behold I am alive for evermore, and have the keys of death and of Hades.

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 the smoke of the pit.

Luke 10:18

And he said to them, I beheld Satan falling as lightning from heaven.

Romans 10:7

Or who shall descend into the deep?

Revelation 17:8

The wild beast which 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, (whose names are not written in the book of life from the foundation of the world) shall wonder when they behold the wild beast, that he was, and is not, and yet will be.

Revelation 20:1

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

2 Thessalonians 2:3-8

Let no man deceive you by any means, for that day shall not come, unless 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 will come.

Revelation 1:20

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

Revelation 8:2

And I saw the seven angels which stand before God, and seven trumpets were given them.

Revelation 8:6-8

And the seven angels, who 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; so that the third part of them was darkened, and the day shone not for the third part thereof,

Revelation 9:11-13

And they have over them a king, the angel of the bottomless pit: his name in the Hebrew is Abaddon, but in the Greek he hath the name Apollyon.

Revelation 11:14-15

The second wo is past: behold the third wo cometh quickly.

Revelation 20:10

And the devil that deceived them was cast into the lake of fire and brimstone, where both the wild beast and the false prophet are: 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
One wo is past: behold there come yet two woes after this.
Revelation 8:6
And the seven angels, who had the seven trumpets, prepared themselves to sound.
Revelation 11:14
The second wo is past: behold the third wo cometh quickly.

A star

Revelation 1:20
The mystery of the stars which thou sawest in my right hand and of the seven golden candlesticks. The stars are angels of the churches: and the candlesticks are seven churches.
Revelation 8:10
And the third angel sounded, and there fell from heaven a great star burning as a lamp, and it fell on the third part of the rivers, and on the fountains of waters.
Luke 10:18
And he said to them, I beheld Satan falling as lightning from heaven.
2 Thessalonians 2:3
Let no man deceive you by any means, for that day shall not come, unless 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 will come.

To him

Revelation 1:18
And he that liveth and was dead, and behold I am alive for evermore, and have the keys of death and of Hades.
Revelation 20:1
And I saw an angel descending out of heaven, having the key of the bottomless pit, and a great chain in his hand.