Blizzeta is the boss of the fifth dungeon (Snowpeak Ruins), the boss is a giant ice mass who formed from Yeta being corrupted by a shard from the mirror of twilight. This is the only boss in the game that can’t be beaten by Link’s sword, instead she is defeated by using the new founded Ball and Chain. After beating her she will go back to her original form and drop a Heart Container and the first Mirror Shard.