Summary
Korrina serves as the gym leader of Shalour City, where she encounters Ash during his journey. Deeply interested in Mega Evolution, she teams up with Ash and his friends to unlock her Lucario's Mega Evolution potential and to search for additional Mega Stones. She received her Key Stone from Gurkinn at the Tower of Mastery. Additionally, Korrina maintains a collection of footprints from every Pokémon she has battled, which includes Pikachu.
