Biblical and theological traditions often distinguish between two forms of the Antichrist:
A broader term referring to many "antichrists" or a spirit of deception that has existed since the beginning, characterized by a denial of the Father and the Son. Prophesied Characteristics and Rise
The term "Antichrist" appears specifically in the Epistles of John. Other descriptions of this figure are found in the books of Daniel and Revelation, where he is referred to as "the Beast" or the "little horn".
According to Christian prophecy, the reign of the Antichrist is temporary. His rule is said to last for a specific period—often interpreted as 3.5 years (or 1,260 days)—before he is ultimately overthrown by the return of Jesus Christ, who will establish eternal justice.
He is believed to be energized by Satan and accompanied by a "False Prophet" who performs miracles to further the deception. Historical and Scriptural Origins