One might think that the villainess has such a plan in her mind—which was true and evident—but she came with no one who had ever thought about: the Hymnic Conches and that one slave that would turn out to be a magical performer.
Although when these things started to appear, her plans shattered, and she reconstructed what she knew best.
These were all items from her world, after all.
'Especially that bag!'
There were many valuable items inside that she could use to her advantage, without the need to follow the best possible route of how the story should flow. She could reach the same goal without having to face dire consequences of the Butterfly Effect.
Also, Athan could take all that he learned, but Nathalie knew that the innovative and creative person that she was would thrive and be the victor.
Introspection came as Nathalie thought about the event at that time.
Her family…
Her house…
Her belongings…