Revelation 9:1

And the fifth angel blew the trumpet, and I saw a star that had fallen from heaven to the earth, and the key of the shaft of the abyss was given to him.

Revelation 8:10

And the third angel blew the trumpet, and a great star burning like a torch fell from heaven, and it fell on a third of the rivers and on the springs of water.

Luke 8:31

And they began imploring him that he would not order them to depart into the abyss.

Revelation 1:18

and the one who lives, and I was dead, and behold, I am living {forever and ever}, and I hold the keys of death and of Hades.

Revelation 9:2

And he opened the shaft of the abyss, and smoke went up from the shaft like smoke from a great furnace, and the sun and the air were darkened by the smoke from the shaft.

Luke 10:18

So he said to them, "I saw Satan falling like lightning from heaven.

Romans 10:7

or "Who will descend into the abyss?" (that is, to bring Christ up from the dead).

Revelation 17:8

The beast that you saw was, and is not, and is going to come up from the abyss, and he is going 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 be astonished [when they] see the beast that was, and is not, and will be present.

Revelation 20:1

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

Isaiah 14:12

How you have fallen from heaven, morning star, son of dawn! You are cut down to the ground, conqueror of nations!

2 Thessalonians 2:3-8

Do not let anyone deceive you in any way, for [that day will not come] unless the rebellion comes first, and the man of lawlessness is revealed, the son of destruction,

2 Timothy 3:1-5

But know this, that in the last days difficult times will come,

Revelation 1:20

[As for] the mystery of the seven stars which you saw in my right hand and the seven gold lampstands--the seven stars are [the] angels of the seven churches, and the seven lampstands are [the] seven churches.

Revelation 8:2

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

Revelation 8:6-8

And the seven angels who had the seven trumpets prepared themselves in order to blow them.

Revelation 8:12

And the fourth angel blew the trumpet, and a third of the sun was struck, and a third of the moon, and a third of the stars, so that a third of them were darkened, and the day did not shine [with respect to] a third of it, and the night likewise.

Revelation 9:11-13

They have [as] king over them the angel of the abyss, {whose name} in Hebrew [is] Abaddon, and in Greek he has the name Apollyon.

Revelation 11:14-15

The second woe has passed. Behold, the third woe is coming quickly!

Revelation 20:10

And the devil who deceived them was thrown into the lake of fire and sulphur, where the beast and the false prophet also [are], and they 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 has passed. Behold, two woes are still coming after these [things].
Revelation 8:6
And the seven angels who had the seven trumpets prepared themselves in order to blow them.
Revelation 11:14
The second woe has passed. Behold, the third woe is coming quickly!

A star

Revelation 1:20
[As for] the mystery of the seven stars which you saw in my right hand and the seven gold lampstands--the seven stars are [the] angels of the seven churches, and the seven lampstands are [the] seven churches.
Revelation 8:10
And the third angel blew the trumpet, and a great star burning like a torch fell from heaven, and it fell on a third of the rivers and on the springs of water.
Isaiah 14:12
How you have fallen from heaven, morning star, son of dawn! You are cut down to the ground, conqueror of nations!
Luke 10:18
So he said to them, "I saw Satan falling like lightning from heaven.
2 Thessalonians 2:3
Do not let anyone deceive you in any way, for [that day will not come] unless the rebellion comes first, and the man of lawlessness is revealed, the son of destruction,
2 Timothy 3:1
But know this, that in the last days difficult times will come,

To him

Revelation 1:18
and the one who lives, and I was dead, and behold, I am living {forever and ever}, and I hold the keys of death and of Hades.
Revelation 20:1
And I saw an angel descending from heaven, holding the key of the abyss and a great chain in his hand.