The only 'mark' I found discussed was the mark of the beast in Rev 14:9 and Rev 19:20.
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The last chapter(s) of the Book of Revelation.
The angels in revelation are not named. They are just some of God's mighty angels. Michael is the only angel named (Revelation 12:7)
REVELATION The last book in the Bible is "The Apocalypse", commonly now known as "The Book of Revelation" or casually as "Revelations". It was written by St. John.
Book of Revelation
The Book of Revelation does not depict a political or social revolution. Instead, it is a prophetic text that describes apocalyptic events and the ultimate triumph of good over evil as part of religious prophecy.
Saint Michael the Archangel is mentioned in the Bible in the Book of Daniel (Daniel 12:1) and in the Book of Revelation (Revelation 12:7-9). In Daniel, Michael is described as a great prince who protects the people of Israel, while in Revelation, he leads the angels in the battle against the dragon (Satan).
There are 7 churches mentioned in the book of Revelation (1,2,3)... There is no church of Matthew mentioned there.
The Book of Revelation - novel - was created in 2000.
The Book of Revelation - film - was created in 2006.
As for Christians, the concluding book is called Revelation.
The book of Revelation is a book of the end times or last days.