Within the Cave of Black Echoes are the Fire Shrine and Earth Shrine. Players first encounter the cave when Cole fears that the skeletons have broken into the shrines to steal the golden weapons. Sensei Wu confirms this, and sends players down into the caves to stop them.
Later, players must retrieve a dragon mask for Zane from a chest hidden in the cave. Bubu Mumu will also dispatch players to retrieve 20 onyx gems, which can be found in the Cave of Black Echoes.