Cass has played since Pokémon Crystal, her favorite game still. In her spare time Cass runs game marketing, advertising, and creates swag for her team.
In Darkness in Kanto she was not ready for a real battles. After her first Beast get hurt she realizes there is real danger and a real chance people and her new friends could die. Plagued by this reality it'll take all her friends to help her find the bravery and fire she lost.