u have to take a digimon that is afraid of the cold, and make it sick (digimushrooms or any other item that induces sickness, or u can just let it get sick from the cold!) and then WALK AROUND, if u stand there your idigmon will lost a heart from the cold, so once its sick run around in Freezeland until your Digimon faints and your character will say something...and then u will wake up in Frigimon's Igloo!