You find two Karmen soldiers in/on the watchtower. They shoot a short drama and die. Soon after Dark One and Black Hoshipon appear.This should be very familiar to people who played Patapon, because this a similar scene. Instead of Aiton and Makoton in Patapon, these guys are Aimen and Makomen. You'll face Dark One, this time in Akuma Toripon form. He doesn't pose much threat though. You'll constantly face Akumapons, but lucky for you, they occasionally drop healing potions as well.This is not a hard mission, but downright annoying if you don't have enough Freeze resistance. Keep pushing the demon army and you'll eventually arrive at a snow castle. It appears to be the source of the blizzard, so destroy it.This can be a drag since the wind is against you and your units are exposed to a chan