Ruvyn is a local born and raised underhavian, losing her parents at a young age as they were scouts. She spent her time as a loner wandering town in her free time and playing in Mushroom Park, where she met The Fool at his shrine who spent time with her and being a father figure to her, taking on a bit of his silly mischievous attitude. Along with spending time with The Fool, She would hang out with his specters too, helping her be stealthy in the shadows.
As Ruvyn grew older she would then spend time around the scout training area where she would watch then prepare for surface expeditions. Using what she saw she would practice in the shadows or in her free time at the orphanage. She would go to Miamoria asking for tips and help, thriving to hopefully become a scout like her parents were. Under Miamoria's guidance and her own personal training she learned to wield a blade and aim a crossbow.
She stayed in the orphanage till she aged out as no one was willing to adopt her due to her well.. Defects.. She left the haven for a bit to [REDACTED] then came back where now she causes mischief around the haven!