The Legend of Zelda: Twilight Princess:

Special bundles of the game contain a Wolf Link Amiibo figurine, which unlocks a Wii U-exclusive dungeon called the "Cave of Shadows" and can carry data over to the upcoming 2016 Zelda game. Other Zelda-related Amiibo figurines have distinct functions: Link and Toon Link replenish arrows, Zelda and Sheik restore Link's health, and Ganondorf causes Link to take twice as much damage.

Please answer a question about this article. If the question is unanswerable, say "unanswerable". What is the name of the area that players with the Wolf Link Amiibo can access?
Cave of Shadows