Nope. All it's gonna do is make you be attacked by more rogues. Move north
I second this. Luria does this over and over. You know what they say about doing the same thing and expecting different results...
You had your core. You don't NEED Shinnen. You don't need to take all the regions around the sea.
You could have picked a random neighbor and declared war on it.
You chose the path of staleness, again.