Bea commands the Fighting-type Gym at Stow-on-Side Stadium in the Galar region, appearing solely in Pokémon Sword where Allister takes her place in Shield. Her path began under the strict tutelage of her parents, masters of ancient Galar karate, who subjected her to rigorous training from childhood. This instilled deep discipline and a battle demeanor so calm and collected it often masks her emotions, leading many to mistake her stoicism for emptiness. In truth, this reserve shields vulnerability; she reveals her true feelings only to her trusted partner Pokémon amidst intense combat.

A hidden facet of Bea's life is her passion for sweets, a secret uncovered by fans that now complicates her private enjoyment. Her rare League Card hints that her parents' severe methods may have imposed an emotional burden, perhaps even costing her her smile. It remains unknown precisely who, if anyone—be it family, Pokémon, or another—has witnessed that smile.

Driven by frustration after a defeat by Champion Leon, Bea's relentless training regimen is depicted in the *Pokémon: Twilight Wings* episode "Training." She pushes herself and her Machop to extreme physical limits within a cave, ignoring clear signs of exhaustion in both herself and her Pokémon. The session culminates in a cave collapse where Machop shields her from falling rocks. Observing her resting Machop, Machoke, and Machamp in the aftermath, Bea finally notices the cave's natural beauty. This moment sparks a realization: the need for balance, replacing excessive self-punishment with care for both her own well-being and that of her Pokémon, revealing her capacity for reflection and growth beneath her disciplined exterior.

Her high-level battling career continues, as shown when Leon invites her to participate in the Galarian Star Tournament in the special episode "The Gathering of Stars." Across all portrayals, Bea remains defined by her dedication to strength, her reserved emotional expression, and her underlying potential for personal development.