I see two casting outs here; one around the time of creation and the other around the time of the cross or tree of Calvary.

M: James, the universe was perfect when Jesus created it. The "place of darkness" you described "where there is weeping and gnashing of teeth" did not exist. When did Jesus create it? Where was it then, and where is it now? You posted this passage, "The casting down of Satan as an accuser of the brethren in heaven was accomplished by the great work of Christ in giving up His life." During which degree or stage did this happen (referring to your list above)? "And there was war in heaven: Michael and his angels fought against the dragon; and the dragon fought and his angels, and prevailed not; neither was their place found any more in heaven. And the great dragon was cast out, that old serpent, called the Devil, and Satan, which deceiveth the whole world: he was cast out into the earth, and his angels were cast out with him" (Rev 12:7-9). During which degree or stage did this happen?

J: Brother, do I have to do your investigation for you? Or could you make a little effort yourself seeing it is so important for you to understand?

First off how could the universe be perfect if as you say Satan was already here?

If you would read just one verse further in the Rev 12 text quoted, you would see when this happened (not to mention the SOP texts that have already been quoted). OK here it is, open up. This is when Satan was permanently cast out of heaven...

If you will look at the quoted chapter 12 in Revelation, you see Jesus ascended to heaven in verse 5. But in verse 10 is where Satan was permanently cast out...

10 And I heard a great voice in heaven, saying, Now is come the salvation, and the power, and the kingdom of our God, and the authority of his Christ: for the accuser of our brethren is cast down, who accuseth them before our God day and night.

How could Satan accuse the brethren if when Satan was originally cast out of heaven they weren't created yet?

You find this same theme throughout the new testament including...

Colossians 1:12 giving thanks to the Father, who has qualified you to share in the inheritance of the saints in light. 13 He has delivered us from the domain of darkness and transferred us to the kingdom of his beloved Son, 14 in whom we have redemption, the forgiveness of sins.

Here's more support.

Look at Rev 12:9 "And the great dragon was thrown down, that ancient serpent, who is called the devil and Satan, the deceiver of the whole world—he was thrown down to the earth, and his angels were thrown down with him."

1: how could Satan be the "ancient serpent" here if this is when he was originally kicked out of heaven? Satan became the serpent at his fall and there wasn't an ancient past for the world before that time because Adam fell at the beginning.

2: the "deceiver of the whole world" proves there was a whole world to deceive, not just two people like at the beginning of earth. So this is when Jesus became the second Adam, thus Satan was cast out of the place of meeting for the sons of God.

Thank you for answering my question. It is clear to me now you believe Rev 12 describes Satan and his angels being "cast into the earth" after Jesus returned to heaven. However, what is not clear to me is where you believe the evil angels were sent when they were first "driven" out of heaven. Were they sent to "the place of darkness" you described "where there is weeping and gnashing of teeth"? If not, where were they sent?

"And his tail drew the third part of the stars of heaven, and did cast them to the earth." When did Satan cast the angels from heaven to earth?

M: "And his tail drew the third part of the stars of heaven, and did cast them to the earth." When did Satan cast the angels from heaven to earth?

J: Satan didn't cast them down, his lie or 'tail' drew them to falling.