Luana owns a luxury hotel on Kumquat Island that also doubles as her Gym. Trainers often stay at the Kumquat Hotel to help prepare for the upcoming battle. The actual Gym appears to be the largest in the Orange Archipelago, outside of Pummelo Stadium.
Luana appeared in Pokémon Double Trouble, where she mistook Ash for her son Travis since he bears a striking resemblance to Travis and even has a Pikachu just like him. Later, after helping Ash stop Team Rocket, she challenged him to a Double Battle. Ash used Pikachu and Charizard in the battle. Despite their initial unwillingness to cooperate, the two pulled together in the end and were able to defeat Luana's Pokémon.
Luana misses her son Travis and wishes to care for him again. Those strong maternal feelings resulted in her mistaking Ash for Travis. Her maternal side also extends to her Pokémon, whom she cares for deeply, treating each one like her own child.
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One of Luana's Pokémon, Alakazam is a strong Pokémon that has learned to battle with teamwork alongside Marowak. Having powerful Psychic attacks, it is capable of immobilizing Pokémon. Using a powerful Hyper Beam attack, it can severely damage an opponent. However after being knocked over, the Hyper Beam was its own demise in Luana's battle with Ash.
One of Luana's Pokémon, Marowak was used in Luana's Gym battle against Ash. After being attacked by Charizard's Seismic Toss, it was not fazed. When Hyper Beam tore across the battlefield and hit Marowak, knocking both of Luana's Pokémon out, it gave Ash the victory of the match.