Revelation 9:1

And the fifth angel sounded; and I saw a star fall from heaven to the earth, and there was given 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 like a lamp, and it fell on a third part of the rivers and on the fountains of waters.

Luke 8:31

And he besought him not to command them to go into the abyss.

Revelation 1:18

and the living, and I was dead, and behold, I am living forever and ever; and I have the keys of death and of hades.

Revelation 9:2

And he opened the pit of the abyss; and there arose up a smoke from the pit, like 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 saw Satan fall like lightning from heaven.

Revelation 17:8

The beast which you saw was and is not, and is about to come up from the abyss, and goes to destruction; and those who live on the earth, whose names are not written in the book of life from the foundation of the world, will wonder, when they see the beast that he was and is not and is to come.

Revelation 20:1

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

2 Thessalonians 2:3-8

Let no one deceive you in any way, for [he shall not come] unless the apostacy comes first, and the man of sin is revealed, the son of destruction,

2 Timothy 3:1-5

AND know this, that in the last days perilous times shall come.

Revelation 1:20

the mystery of the seven stars which you saw in my right hand, and the seven golden candlesticks. The seven stars are angels of the seven churches, and the seven candlesticks the seven churches.

Revelation 8:2

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

Revelation 8:6-8

And the seven angels having the seven trumpets prepared themselves to sound.

Revelation 8:12

And the fourth angel sounded; and a third part of the sun was smitten, and a third part of the moon, and a third part of the stars, and a third part of them were darkened, and the day did not appear a third part of it, nor the night.

Revelation 9:11-13

They had over them a king, an angel of the abyss, whose name in Hebrew is Abaddon, but in the Greek he is called Apollyon.

Revelation 11:14-15

The second woe has passed; behold, the third woe comes quickly.

Revelation 20:10

And the devil who deceived them was cast into the lake of fire and sulphur, where also the beast and the false prophet [were cast], and they shall be tormented day and night forever 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 woe has passed; behold, there come yet two woes after this.
Revelation 8:6
And the seven angels having the seven trumpets prepared themselves to sound.
Revelation 11:14
The second woe has passed; behold, the third woe comes quickly.

A star

Revelation 1:20
the mystery of the seven stars which you saw in my right hand, and the seven golden candlesticks. The seven stars are angels of the seven churches, and the seven candlesticks the seven churches.
Revelation 8:10
And the third angel sounded; and there fell from heaven a great star, burning like a lamp, and it fell on a third part of the rivers and on the fountains of waters.
Luke 10:18
And he said to them, I saw Satan fall like lightning from heaven.
2 Thessalonians 2:3
Let no one deceive you in any way, for [he shall not come] unless the apostacy comes first, and the man of sin is revealed, the son of destruction,
2 Timothy 3:1
AND know this, that in the last days perilous times shall come.

To him

Revelation 1:18
and the living, and I was dead, and behold, I am living forever and ever; and I have the keys of death and of hades.
Revelation 20:1
And I saw an angel descending from heaven, having the key of the abyss and a great chain in his hand.