Revelation 9:1

And the fifth angel sounded. And I saw a star fall from the heaven to the earth, and it was given the key of the abyss.

Revelation 8:10

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

Luke 8:31

And they begged Him that He would not command them to go out into the abyss.

Revelation 1:18

and the Living One, and I became dead, and behold, I am alive for ever and ever, Amen. And I have the keys of hell and of death.

Revelation 9:2

And it opened the bottomless pit. And there arose a smoke out of the pit, like the smoke of a great furnace. And the sun and air were darkened because of the smoke of the pit.

Luke 10:18

And He said to them, I saw Satan fall from Heaven like lightning.

Romans 10:7

or "Who shall descend into the deep?"; that is, to bring up Christ again from the dead.

Revelation 17:8

The beast that you saw was, and is not, and is about to ascend out of the abyss and go into perdition. And those dwelling on the earth will marvel, those 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.

Revelation 20:1

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

Isaiah 14:12

How you are fallen from the heavens, O shining star, son of the morning! How you are cut down to the ground, you who weakened the nations!

2 Thessalonians 2:3-8

Let not anyone deceive you by any means. For that Day shall not come unless there first comes a falling away, and the man of sin shall be revealed, the son of perdition,

2 Timothy 3:1-5

Know this also, that in the last days grievous times will be at hand.

Revelation 1:20

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

Revelation 8:2

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

Revelation 8:6-8

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

Revelation 8:12

And the fourth angel sounded, and the third part of the sun was stricken, 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 did not appear for a third part of it, and the night also.

Revelation 9:11-13

And they had a king over them, the angel of the bottomless pit, whose name in the Hebrew tongue is Abaddon, but in Greek his name is Apollyon.

Revelation 11:14-15

The second woe passed away. Behold, the third woe comes quickly.

Revelation 20:10

And the Devil who deceived them was cast into the Lake of Fire and Brimstone, where the beast and the false prophet were . And he will 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
The first woe is past. Behold, after these things yet come two woes.
Revelation 8:6
And the seven angels which had the seven trumpets prepared themselves to sound.
Revelation 11:14
The second woe passed away. 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 lampstands. The seven stars are the angels of the seven churches, and the seven lampstands which you saw are the seven churches.
Revelation 8:10
And the third angel sounded, and a great star burning like a lamp fell from the heaven, and it fell on the third part of the rivers and on the fountains of waters.
Isaiah 14:12
How you are fallen from the heavens, O shining star, son of the morning! How you are cut down to the ground, you who weakened the nations!
Luke 10:18
And He said to them, I saw Satan fall from Heaven like lightning.
2 Thessalonians 2:3
Let not anyone deceive you by any means. For that Day shall not come unless there first comes a falling away, and the man of sin shall be revealed, the son of perdition,
2 Timothy 3:1
Know this also, that in the last days grievous times will be at hand.

To him

Revelation 1:18
and the Living One, and I became dead, and behold, I am alive for ever and ever, Amen. And I have the keys of hell and of death.
Revelation 20:1
And I saw an angel come down from Heaven, having the key of the abyss and a great chain in his hand.