Read your NT and believe it, first and foremost.
Then read PAUL and read PAUL and read PAUL, as Paul is the writer of most of the NT Epistles, and nearly all Church Doctrine.
Then, relegate scholarship, and early church father's concepts and similar to......"that's interesting" "but what does Paul Teach".
Always bring whatever man made rabbit Hole theology you are chasing right back to ... "but what does Paul teach".
This way, you stay safely here..
Hebrews 13:9
Why just Paul? Why not Christ? Why not the other NT writers? Why not Moses and the prophets? These are all Scripture, and all agree that the coming of Christ is climactic.
Christ appears with His holy angels (Matthew 13:41-43, 49 16:27 24:29-31 25:31-32, Mark 13:25-27, Luke 9:26, Revelation 14:14-20) and the New Jerusalem (John 14:1-3, Hebrews 11:8-10, 13-16, 13:14. Revelation 3:11-12, 21:1-4).
There is a general resurrection/judgment (singular) of all mankind at the coming of Christ (Matthew 10:15, 12:36, 16:27, 25:31-46, John 5:21-30, 6:39-44, 54, 10:42, 11:21-27, 12:48, 17:30-32, 24:15, Acts 10:42, 17:30-31, Romans 2:4-8, 14:10-12, 1 Corinthians 3:6-8, 11-15, 1 Corinthians 4:5, 2 Corinthians 5:10, 2 Timothy 4:1-8, 2 Thessalonians 1:5-8, 1 Timothy 5:24, Hebrews 9:27, 10:27, 2 Peter 2:9, 3:7, 1 Peter 4:1-5, 1 John 4:17, and Revelation 19:11, 20:11-15, 22:12).
Satan cast into the Lake of Fire (Isaiah 26:19, II Thessalonians 2:1-9 Revelation 20:10). This occurs before the heaven and earth pass away in Revelation 20.
There is a climactic conflagration (Job 14:12-14, Isaiah 13:9-11, Isaiah 34:1-4, 8, Isaiah 65:17-21, Isaiah 66:22-24, Joel 2:3, Joel 2:10-11, Malachi 4:1-3, Matthew 24:29-30, Matthew 24:35-44, Mark 13:24-26, Luke 21:25-27, Romans 8:18-23, 1 Corinthians 15:23-24, 2 Thessalonians 1:7-10, 2 Peter 3:10-13, Hebrews 1:10-12, Revelation 6:13-17, Revelation 16:15-20, Revelation 19:11-16 and Revelation 20:11-15).
Perfection arrives with the age to come (Luke 20:27-36, Romans 8:19-23, 1 Corinthians 15:50-55, 2 Peter 3:3-13 Philippians 3:20-21, 1 Peter 4:3-7, Hebrews 1:10-12 and Revelation 20:11-15, 21:1-5).
The age to come possesses no mortals. The wicked are destroyed at His appearing (2 Samuel 22:9, Job 41:20-21, Psalm 18:7-8, 37:9-11, 50:1-6, 68:1-3, 97:3-5, Isaiah 11:4-5, 13:9, 30:33, 66:15-17, Joel 2:1-3, 2:10-11, Nahum 1:1, 5-6, Malachi 4:1, Luke 17:26-30, 20:34-36, Romans 8:19-23, 1 Corinthians 6:9, 13:8-13, 15:50-55, 1 Thessalonians 4:15-5:3, II Thessalonians 1:4-10, Revelation 16:15-21, 19:11-18, Revelation 21-22).
1 Corinthians 13:12, Ephesians 4:13 and Revelation 10:5-7 show that the curtain coming down on the mystery of God, thus confirming we are at the end of time and entering into eternity when all will finally be revealed.
This is a water-tight argument to me that the second coming is “the end.”