Felia Lucis is a mysterious girl with celestial origins, discovered by the protagonist, Sogo, in the anime series 'Comet Lucifer.' Possessing unique powers that connect with the planet's crystals, she becomes a central figure in the unfolding narrative. Felia is characterized by her innocent and childlike demeanor, but as the series progresses, she grows and learns about human emotions and relationships. Her role is pivotal as she is both the key to the world's mysteries and a catalyst for the events that drive the characters to confront their destinies. Her journey explores themes of identity, belonging, and the bond between humans and nature.