Revelation 9:1

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.

Revelation 8:10

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

Luke 8:31

and they entreated him not to condemn them to the abyss.

Revelation 1:18

I am he that liveth; I was dead; but now you see I am alive for all eternity, amen; and I have the keys of the grave, and of death."

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 darkned by reason of the smoke of the pit.

Luke 10:18

upon which he said to them, I beheld satan falling, like lightning, from heaven.

Romans 10:7

or, who shall descend into the deep, in order to bring up Christ again from the dead?"

Revelation 17:8

the beast that 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 were not written in the book of life from the foundation of the world, shall wonder when they behold the beast that was, and is not, but shall be.

Revelation 20:1

Afterwards I saw an angel come down from heaven, having the key of the bottomless pit, with a great chain in his hand.

2 Thessalonians 2:3-8

don't be led into any mistake, because the previous rebellion does not yet appear, nor the man of sin throw off the disguise, that offspring of perdition:

2 Timothy 3:1-5

Take notice that in the latter days difficult incidents will arise;

Revelation 1:20

the conceal'd meaning of the seven stars which you saw in my right hand, and of the seven golden candlesticks, is this: the seven stars signify the angels of the seven churches: and the seven candlesticks which you saw, signify the seven churches.

Revelation 8:2

Then I saw the seven angels who attend in the presence of God; and to them were given seven trumpets.

Revelation 8:6-8

Then 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 as the third part of them was darkned, and the day lost a third part of its light, and the night likewise.

Revelation 9:11-13

they had for their king the angel of the bottomless pit, whose name in the Hebrew tongue is Abaddon, but in the Greek his name is Apollyon.

Revelation 11:14-15

the second wo is past, and behold, the third wo soon follows.

Revelation 20:10

the devil that seduced them, shall be cast into the lake of fire and brimstone, where the beast and the false prophet are, and 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, and now two woes are to follow.
Revelation 8:6
Then the seven angels who had the seven trumpets, prepared themselves to sound.
Revelation 11:14
the second wo is past, and behold, the third wo soon follows.

A star

Revelation 1:20
the conceal'd meaning of the seven stars which you saw in my right hand, and of the seven golden candlesticks, is this: the seven stars signify the angels of the seven churches: and the seven candlesticks which you saw, signify the seven churches.
Revelation 8:10
And the third angel sounded, and there fell a great star from heaven, burning like a flambeau, and it fell upon the third part of the rivers, and upon the fountains of waters.
Luke 10:18
upon which he said to them, I beheld satan falling, like lightning, from heaven.
2 Thessalonians 2:3
don't be led into any mistake, because the previous rebellion does not yet appear, nor the man of sin throw off the disguise, that offspring of perdition:
2 Timothy 3:1
Take notice that in the latter days difficult incidents will arise;

To him

Revelation 1:18
I am he that liveth; I was dead; but now you see I am alive for all eternity, amen; and I have the keys of the grave, and of death."
Revelation 20:1
Afterwards I saw an angel come down from heaven, having the key of the bottomless pit, with a great chain in his hand.