1. Revelation 9:21 (ESV)
  2. Exposition

What is significant about sexual immorality being mentioned here?

Revelation 9:21 (ESV)

21 nor did they repent of their murders or their sorceries or their sexual immorality or their thefts.

Pagan religion typically gives a lot of space to sexual liberties. That can be true in liturgical practices (e.g., Old Testament Baal worship), polygamy, or simply giving space to live out your lusts (e.g., today’s North America).