Serafina belongs to the Jumi, a race identifiable by the jewel cores embedded in their chests. These precious cores make the Jumi targets for hunters seeking to steal them. Serving as a Jumi Knight, Serafina is dedicated to protecting her people amidst their struggle against persecution and near-extinction.

Initially, she maintains a neutral stance, interacting with the protagonist Shiloh without overtly aligning with any faction. This neutrality ends when she chooses to side with Sandra, a jewel hunter actively pursuing Jumi cores. Her alliance with Sandra positions her against fellow Jumi, including Elazul and Pearl, creating conflict within the community.

Her involvement extends to participation in the final quest centered on the Teardrop Crystal, a pivotal artifact crucial to the Jumi's fate and ongoing survival. Visually, she is depicted wearing a pink nightgown during a stay at Geo and later shown dressing into her primary outfit.