723654, Symbolic and it leaves the Lannisters with nowhere to run to Posted by Marauder21, Mon Jul-24-17 08:16 PM
>also, what's so important about taking over casterly rock?
That's not just their actual home, it's also the center of the Lannister's economic power since it's where all of the gold mines are. We the viewers know those gold mines are empty, but nobody alive in Westeros knows that except Cersei. You take out their home and they're stuck in King's Landing with nothing but the resources they have immediately on hand.
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