War: The Contest Between Antichrist and the Church
Source: TTT
Revelation 11:7
When the two witnesses have finished their testimony, the beast that comes up from the Abyss will wage war with them, and will overpower and kill them.
Revelation 13:4, 7
They worshiped the dragon who had given authority to the beast, and they worshiped the beast, saying, “Who is like the beast, and who can wage war against it?” / Then the beast was permitted to wage war against the saints and to conquer them, and it was given authority over every tribe and people and tongue and nation.