Fern is a central character in the anime series 'Sousou no Frieren'. As a young mage, she is a key companion to the protagonist, Frieren, who embarks on a journey to understand humanity and emotions better after the death of her long-time friends. Fern is known for her intelligence, calm demeanor, and exceptional magical abilities. She represents the new generation of adventurers and provides a contrasting perspective to Frieren's ancient wisdom. Her character adds depth and continuity to the storyline, bridging past and present through her interactions and growth.