>>57622649At most, we know she was probably one of the very first humans born or created in Hisui, and was specifically granted temporary immortality so she could be tasked with waiting indefinitely for (You) to show up, that way she could fulfill her part in Arceus' grand plan to bring peace to Hisui and teach people and Pokemon that they should be able to get along with each other, a practice that would then spread throughout the Pokemon World due to Hisui being a melting pot of people from all over who would later depart to other regions.
It's probably only as simple as that, really.
