Queen Zurline reigns as the fairy queen over the Forest of Burzee, a central narrative setting. She presides over the immortals inhabiting this enchanted realm, including nymphs, knooks, ryls, and pixies, governing and protecting both its inhabitants and mystical environment.

She directly influences the upbringing of the human infant Claus after Ak, the Master Woodsman of the World, discovers him. Zurline guides and approves the wood nymph Necile's adoption of Claus, integrating him into Burzee's immortal society and establishing her continuing role in his early life.

As Claus matures and departs Burzee for human settlements, Zurline maintains a connection to his endeavors, her influence extending beyond direct supervision within the immortal hierarchy. She participates in the Council of Immortals convened by Ak concerning Claus's mortality, supporting the decision to grant Claus the Mantle of Immortality to ensure his enduring mission of bringing joy to children.

Her leadership encompasses commanding seasonal changes and natural phenomena within Burzee, such as the transition to winter. This authority indirectly shapes Claus's annual gift-giving mission, particularly solidifying Christmas Eve as the designated time for his deliveries. Her presence signifies stability and order within the forest's societal structure.