Wolf Link is a unique transformation of the main protagonist, Link, in the Legend of Zelda series, particularly featured in 'The Legend of Zelda: Twilight Princess'. When Link enters the Twilight Realm, he transforms into a wolf, gaining new abilities such as heightened senses and agility. In this form, he is accompanied by Midna, and together they work to restore light to Hyrule. Wolf Link plays a crucial role in navigating areas inaccessible to human Link and solving challenging puzzles.