>>717312552
She starts out as unrenowned. Very few people even know of her existence, and the most you'll get out of the common populace is a rumour about a girl in the tower up north. However, as war breaks out she becomes somewhat well-known in the continent as she's involved in the incident that triggered it. Nohrians say that Hoshido kidnapped their princess, and Hoshidans say that the Nohrian princess murdered their queen.
Further down the line, her military exploits become notorious and even infamous and so she becomes admired and respected by some, but loathed and even feared by more in turn.
It is said her name faded into obscurity and her deeds were poorly documented. Yet, she remains relatively famous as a popular legend in other places like Askr and Elyos to a lesser extent. Implied to happen in Ylisse/Archanea too.
>>717319676
The latter. She is often depicted as oversleeping, and her game even starts with her maids having to freeze her awake with magic. She's also known to be particularly active at night.
>>717334565