Complex sentence: It happened then that the fortress of the Kalineesan crashed into pieces, the earth was covered with darkness of slumber, the sea engulfed the land, and all the palatial buildings of the king were effaced.
Split into simpler sentences: It happened then that the fortress of the Kalineesan crashed into pieces. The earth was covered with darkness of slumber, the sea engulfed the land, and all the palatial buildings of the king were effaced.