The Storm Prince

Game of Thrones (TV) A Song of Ice and Fire - George R. R. Martin Harry Potter - J. K. Rowling
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The Storm Prince
author
Characters
Tywin Lannister, Jaime Lannister, Cersei Lannister, Robert Baratheon, Harry Potter, Tyrion Lannister, Barristan Selmy, Petyr Baelish, Cersei Lannister/Jaime Lannister, Joffrey Baratheon, Renly Baratheon, Robert Baratheon/Cersei Lannister, Jon Arryn, Varys (ASoIaF), Harry Potter and Robert Baratheon, Harry Potter and Cersei Lannister, Harry Potter and Joffrey Baratheon, Rhaegar Targaryen (mentioned), Pycelle (ASoIaF)
Tags
Alternate Universe - Canon Divergence Pre-Canon Canon-Typical Violence Crossover southron ambitions
Summary
"The night of our wedding feast, the first time we shared a bed, he called me by your sister's name. He was on top of me, in me, stinking of wine, and he whispered Lyanna." AGOT, Eddard XIIRobert managed to get one thing right that night, and Cersei decides against aborting the child. Harry Potter is reborn as Steffon Baratheon, Crown Prince of the Seven Kingdoms.
Note
This has been bouncing around in my head for a few weeks now, and I needed to get it down on paper. What happens in King's Landing when Joffrey is not the eldest prince? How does Harry Potter change the game? How does it change him?It will only be three chapters, starting from the birth of Steffon to the beginning of A Game of Thrones. Almost everything will be book canon, though there might be some show influences.

Chapters