Revelation 9:1

Then the fifth angel blew his trumpet, and I saw a star that had fallen from the sky upon the earth. To this angel the key to the pit of the abyss was given,

Revelation 8:10

Then the third angel blew his trumpet, and there fell from the sky a great star blazing like a torch, and it fell upon one-third of the rivers and the springs of water.

Luke 8:31

Then they continued to beg Him not to order them to go off to the bottomless pit.

Revelation 1:18

yea, the ever-living One. I once was dead, but now I live forever and ever. I carry the keys of death and the underworld.

Revelation 9:2

and he opened the pit of the abyss, and smoke like the smoke of a huge furnace puffed up out of the pit, and the sun and the air were darkened by the smoke from the pit.

Luke 10:18

He said to them, "I was looking at Satan failing like a flash of lightning from heaven.

Romans 10:7

or "'Who will go down into the depths?'" that is, to bring Christ up from the dead.

Revelation 17:8

The wild beast that you saw, once was but now is no more; he is going to come up out of the abyss, but he is going to be destroyed. The inhabitants of the earth, whose names from the foundation of the world have not been written in the book of life, will be astonished when they see that the wild beast once was but now is no more, and yet is to come.

Revelation 20:1

Then I saw an angel coming down from heaven with the key of the abyss and a great chain in his hand.

2 Thessalonians 2:3-8

Do not let anybody at all deceive you about this, because that cannot take place until the great revolt occurs and the representative of lawlessness is uncovered, the one who is doomed to destruction,

2 Timothy 3:1-5

Now you must know that in the last days there are going to be hard times.

Revelation 1:20

The open secret of the seven stars that you have seen in my right hand, and of the seven golden lampstands, is this: The seven stars are the messengers of the seven churches, and the seven lampstands are the seven churches.

Revelation 8:2

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

Revelation 8:6-8

And the seven angels with the seven trumpets prepared to blow them.

Revelation 8:12

Then the fourth angel blew his trumpet, and one-third of the sun was cursed with a plague, and one-third of the moon, and one-third of the stars, so that one-third of them were darkened, and there was no light for one-third of the day and for one-third of the night.

Revelation 9:11-13

They had over them as king the angel of the abyss; in Hebrew he is called Abaddon, in Greek, Apollyon.

Revelation 11:14-15

The second woe is past. See! The third woe is soon to come.

Revelation 20:10

Then the devil who led them astray was hurled into the fiery lake of burning brimstone, where the wild beast and false prophet were, and there they are to be tortured 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. See! Two other woes are yet to come.
Revelation 8:6
And the seven angels with the seven trumpets prepared to blow them.
Revelation 11:14
The second woe is past. See! The third woe is soon to come.

A star

Revelation 1:20
The open secret of the seven stars that you have seen in my right hand, and of the seven golden lampstands, is this: The seven stars are the messengers of the seven churches, and the seven lampstands are the seven churches.
Revelation 8:10
Then the third angel blew his trumpet, and there fell from the sky a great star blazing like a torch, and it fell upon one-third of the rivers and the springs of water.
Luke 10:18
He said to them, "I was looking at Satan failing like a flash of lightning from heaven.
2 Thessalonians 2:3
Do not let anybody at all deceive you about this, because that cannot take place until the great revolt occurs and the representative of lawlessness is uncovered, the one who is doomed to destruction,
2 Timothy 3:1
Now you must know that in the last days there are going to be hard times.

To him

Revelation 1:18
yea, the ever-living One. I once was dead, but now I live forever and ever. I carry the keys of death and the underworld.
Revelation 20:1
Then I saw an angel coming down from heaven with the key of the abyss and a great chain in his hand.