She writes: "My father... He was a kind man... He told me stories about a legendary Pokémon... A Pokémon said to live in this shrine... It is said that this Pokémon will appear before those with a pure heart... Dad... I know you're somewhere out there... Please... Come back to me..."
This message is a clue to finding the Legendary Pokémon Virizion, which is said to appear before those with a pure heart.