Zora Link is a transformation of the main protagonist, Link, in the game 'Zelda no Densetsu: Mujura no Kamen' (The Legend of Zelda: Majora's Mask). By wearing the Zora Mask, Link transforms into Zora Link, gaining the abilities of a Zora, such as swimming swiftly, creating energy barriers, and using fins as weapons. Zora Link plays a crucial role in the series, allowing Link to access new areas, solve puzzles, and interact with the Zora people, advancing the storyline.