Revelation 20:1
Then I saw an angel come down from heaven with the key of the abyss and a great chain in his hand.
Revelation 1:18
the living one. I was dead, yet here I am alive forever and ever. I hold the keys of death and the underworld.
Revelation 10:1
Then I saw another mighty angel descend from heaven. He was clothed in a cloud, and a rainbow encircled his head. His face was like the sun, his legs were like pillars of fire,
Luke 8:31
And they begged him not to order them off to the bottomless pit.
2 Peter 2:4
For if God did not spare angels when they sinned, but plunged them into Tartarus, and committed them to dark dungeons to await their doom,
Jude 1:6
and the angels who neglected their responsibilities and abandoned their homes he has put in everlasting chains to be kept in darkness for the judgment of the great Day,
Revelation 9:1-2
Then the fifth angel blew his trumpet, and I saw a star that had fallen on the earth from the sky. He was given the key to the pit of the abyss,
Revelation 18:1
Afterward I saw another angel come down from heaven. He possessed great authority and his splendor lighted up the earth.