Tafsir Ibn Abbas: Ar-Room, Ayah 12

The Last Hour would affect (most terribly) the wicked persons.

“Just before the Hour comes there will be transformations, the earth collapsing, and Qadhf. (i.e. the throwing of stones perhaps as a means of punishment – maybe it refers to landslides).”

"Oppression shall be darkness on the Day of Judgment."

“Just before the Hour, there will be days when knowledge will disappear, ignorance will become widespread and there will be much Harj. And Harj means killing.”

The (Last) Hour shall not came till the sun rises from the place of its setting And on the day when it rises from the place of its setting even if all the people together affirmed their faith, it woul...

(When) the time would draw close to the Last Hour, knowledge would be snatched away, turmoil would be rampant, miserliness would be put (in the hearts of the people) and therewould be much bloodshed. ...

The last Hour will not come until the two parties (of Muslims) confront each other and there is a large-scale massacre amongst them and the claim of both of them is the same.

“The Hour will not begin until wealth becomes abundant and tribulations appear, and Harj increases.” They said: “What is Harj, O Messenger of Allah?” He said: “Killing, killing, killing,” three times.

"The Hour shall not be established until nearly thirty imposters, Dajjal appear, each of them claiming that he is the Messenger of Allah."

The Prophet (ﷺ) said, "The Hour (Last Day) will not be established until (religious) knowledge will be taken away (by the death of religious learned men), earthquakes will be very frequent, time will...