Complex sentence: Later, Mr. Gold has a nightmare where he uses the wand to turn his grandson into a statue and shatter him; at that point, Gold was suffering from inner turmoil as Henry was prophecised to be his undoing.
Split into simpler sentences: Later, Mr. Gold has a nightmare where he uses the wand to turn his grandson into a statue and shatter him. At that point, Gold was suffering from inner turmoil as Henry was prophecised to be his undoing.