Children, my name is Unne, a researcher studying the great culture of Lufenia. What use could you possibly have for...?
Dr. Unne was a researcher worked inside Rosetta Tower. Her team were attacked and eaten by monsters so she has to lock the tower up. When the Warriors of Darkness come to Lufenia and have a conversation with her, she gives them the Rosetta Key and tells then that the Rosetta Stone can help them understand Lufenian. They go to Rosetta Tower and bring the Rosetta Stone to her. After that, the warriors learn how to speak Lufenian.