The Blackfyre pretenders’ inability to garner widespread support after the First Blackfyre Rebellion had led to their repeated failures. The bitter history of the Blackfyre Rebellions had proved as much. Their only shot at victory lay in defeating the Tyrells marching for them and developing alliances and local support in Westeros. Though secure for the moment behind the massive curtain walls of Storm’s End, Aegon, Jon Connington and the Golden Company’s hope for long-term success did not reside at Storm’s End. The Golden Company was scattered across the Stormlands, Narrow Sea and Stepstones, and a Tyrell army was descending on Storm’s End. However great this victory was though, Aegon’s situation was tenuous. Storm’s End had fallen to Aegon, and with that “impregnable” coastal fortress, the young dragon now held the most strategically and symbolically important foothold in the south of Westeros.
This essay contains spoilers for The Winds of Winter