Apocalypse
The Bible books of Daniel and Revelation both describe events of the End Time. The events these writings describe are dark and terrifying, as God's wrath is poured out on the earth. God makes it clear that He will bring an end to Earth in His time and His way. One judgment after another will lay devastation on the earth.
The Tribulation will be mercifully short: the Bible says the days of wrath will be 3.5 years. During this time the Jews will recognize Christ as their Messiah. At the end of the 3.5 years many nations will march against Israel to destroy it. And Christ will return at that time, to defeat them.
This image shows the earth in turmoil.