That was the Start of it

[Daemon Blackfyre]

Aegon IV has passed and his son has succeeded him, But on the Kings Deathbed he named all his sons even his Bastards Legitimate. The Eldest of his Bastards Daeron allowed the so called 'True born' brother to become king. But he keeps Blackfyre his father's Sword that was passed from king to king for generations. After his Half Sister, Best friend and Love who he calls affectionately 'Dany' is married of to Dorne he rises and picks up Blackfyre and will bring War to the Seven Kingdoms.

And that was the Start of it