Just a random thought that I'd like to suggest or at least discuss.
In the lore, when he was legitimized, Daemon Blackfyre took his name when Aegon IV gave him the sword of Aegon the Conqueror. In the subsequent Blackfyre Rebellion, his partisans were referring to him as "The King who bore the Sword", because they interpreted/presented Aegon IV's gift of Blackfyre to Daemon as the mark of Daemon being his father's heir.
This had me thinking: could the holder of Blackfyre be granted a claim on the Iron Throne if he isn't the King? This way, there could be the possibility of Blackfyre-style pretenders showing up.
The only thing that might be trouble would be if the swords ends up in the hands of a Non-Targaryen King. But then again, if I understood the mechanic right, Valyrian Steel Swords only leave the dynasty through mariages or if the dynasty dies out.
In the lore, when he was legitimized, Daemon Blackfyre took his name when Aegon IV gave him the sword of Aegon the Conqueror. In the subsequent Blackfyre Rebellion, his partisans were referring to him as "The King who bore the Sword", because they interpreted/presented Aegon IV's gift of Blackfyre to Daemon as the mark of Daemon being his father's heir.
This had me thinking: could the holder of Blackfyre be granted a claim on the Iron Throne if he isn't the King? This way, there could be the possibility of Blackfyre-style pretenders showing up.
The only thing that might be trouble would be if the swords ends up in the hands of a Non-Targaryen King. But then again, if I understood the mechanic right, Valyrian Steel Swords only leave the dynasty through mariages or if the dynasty dies out.