'Abyss' in the Bible
or, “Who will go down into the abyss?” that is, to bring Christ up from the dead.
The fifth angel blew his trumpet, and I saw a star that had fallen from heaven to earth. The key to the shaft of the abyss was given to him.
He opened the shaft of the abyss, and smoke came up out of the shaft like smoke from a great furnace so that the sun and the air were darkened by the smoke from the shaft.
They had as their king the angel of the abyss; his name in Hebrew is Abaddon, and in Greek he has the name Apollyon.
When they finish their testimony, the beast that comes up out of the abyss will make war with them, conquer them, and kill them.
The beast that you saw was, and is not, and is about to come up from the abyss and go to destruction. Those who live on the earth whose names have not been 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 again.
Then I saw an angel coming down from heaven with the key to the abyss and a great chain in his hand.
He threw him into the abyss, closed it, and put a seal on it so that he would no longer deceive the nations until the 1,000 years were completed. After that, he must be released for a short time.