The Bible doesn't separate them either.
Only those who wrestle and twist Scripture claim that Revelation, a book with zero chronological consistency whatsoever, separates them.
Believe what you like. Scripture is clear to those with the ability to understand it. It's not cryptic in the least. All of your man-made, modern, doctrines require an extra-biblical guide book, if not a corrupt seminary education, to make sense of what they teach. Even then, they don't align with plain Scripture.
Revelation 22:11
This argument may have worked if the date was 30AD. It is 2022AD. There have been 1992 years between the Cross and a Second Coming. It is not one single event.
If you think Paul was not talking about the Cross, when he wrote Christ the firstfruits, what did Paul mean?
Do you think Paul was claiming the end already happened at the Cross, even the GWT was already past in Paul's day? This is not twisting Scripture. This is determining what Paul actually meant. From Paul's other letters the Second Coming had not happened yet, but obviously the Cross had. Are we talking about a resurrection or are we talking about Jesus gathering humanity in a certain order because of the Resurrection?
"For as in Adam all die, even so in Christ shall all be made alive. But every man in his own order:"
You avoid the actual words in Scripture, and complain about theology. Well that is my point; to toss out theology and look at what Scripture actually says. So tossing man's opinion out the window is my goal as well. But if you toss yourself out the window without explanation, that is fine as well.
We are not arguing over any single resurrection, although resurrection is part of the process. Paul stated "made alive", and did not specifically state a resurrection. So you, in your opinion, wrestle with the Scripture about specific resurrections, when Paul was talking about being "made alive". Being made alive has been an ongoing phenomenon for 1992 years, and not just about a resurrection. Why does there even have to be a resurrection prior to or at the GWT if being made alive is not about physical death specifically? Are those cast into the LOF made alive prior to being cast into the LOF? How does that even define being made alive, when it is also called the Second Death? So explain it by:
"For as in Adam all die, even so in Christ shall all be made alive. But every man in his own order:"
Is there only one single event where we are made alive? Did that happen before Genesis 1 even? Still does not explain away nor rule out 3 different points of Jesus presenting to God, "made alive" humans. Because Paul does not base these directly with a resurrection at all. You do, and the opinion of all Amil. Paul ends, not with a resurrection, but:
"And when all things shall be subdued unto him, then shall the Son also himself be subject unto him that put all things under him, that God may be all in all."
Amil are stuck in a resurrection rut, when Paul moved on from being the Resurrection and the Life to being fully the Life and subjecting all creation and then turning the Word, the foundation of all creation, back over to God.
So no one is "inventing" a future 1,000 year reign. Paul pointed out that Christ as Prince reigns from the Cross until the GWT. Jesus presents humanity on an ongoing basis, starting with the Cross, and then handing the kingdom back to God. John just happens to point out the last part of the process is 1,000 years in length.
But no! Amil want to twist and turn Scripture and pretend God invented something within the last 100 years contrary to His Word. Obviously it was all stated in black and white even in the first century. Theology has tried to explain since the very beginning. Only after events happen, will human opinion finally understand looking back, as that is the easiest opinion to defend, unless of course no one agrees on history either. Then God re-writes history to create correct modern eschatological views. Because obviously only the current generation living knows all the answers, not God.