Replacement or just her Sister

Eventhough her Fire Warriors/Kemurikage are about to split up, Azula sets out to with them to break the little trust that the fire nation civilians have in their new fire lord Zuko, by kidnapping children from the capital city.

That would include her Half-sister Kiyi, her "Replacement"

But by the end of her plan, Zuko,Mother,Kiyi and everyone else will be bowing down to her. right?