Al-Inshiqāq
This sūrah was revealed in Mecca and consists of 25 verses. It talks about the occurrence of the Hour. Humans are on a journey leading to their Lord, until they encounter their Lord and are recompensed according to the record of their deeds, which is emphasized in the chapter. The aspect of warning dominates the aspect of glad tiding in this sūrah. The theme of the verses indicate that the chapter was revealed in Mecca.
This is the ʿAllāmah's introduction to the sūrah, from the opening of the commentary.