Legend of the Winter Season (2)
The Cryomancer Master says that he is looking for a book and he wants you to help him find it. Talk to the Mayor of Siaulai Miner's Village to ask about the book.
The Siauliai Miners' Village Mayor said that the demons returned to the Crystal Mine after ransacking the Miner's Village. Check the area around the storage facility in Miner's Village 2F.