After Jon traveled through time, he asked himself a question: Can the Night's Watch save the Seven Kingdoms? Answer: The Night's Watch cannot save the Seven Kingdoms! So he quit the Night's Watch. After becoming a lord, Jon asked himself: Can being a lord save the Seven Kingdoms? Answer: Even a lord cannot save the Seven Kingdoms. So he challenged the Iron Throne that rightfully belonged to him! PS: The protagonist Jon Snow begins by traveling south to participate in the War of the Five Kings.