Revelation 9:2
9:2 He opened the shaft of the abyss and smoke rose out of it like smoke from a giant furnace. The sun and the air were darkened with smoke from the shaft.
Revelation 9:11
9:11 They have as king over them the angel of the abyss, whose name in Hebrew is Abaddon, and in Greek, Apollyon.
Revelation 17:8
17:8 The beast you saw was, and is not, but is about to come up from the abyss and then go to destruction. The inhabitants of the earth – all those whose names have not been written in the book of life since the foundation of the world – will be astounded when they see that the beast was, and is not, but is to come.
Revelation 20:10
20:10 And the devil who deceived them was thrown into the lake of fire and sulfur, where the beast and the false prophet are too, and they will be tormented there day and night forever and ever.
Luke 8:31
8:31 And they began to beg him not to order them to depart into the abyss.
Romans 10:7
10:7 or “Who will descend into the abyss?” (that is, to bring Christ up from the dead).