Yeah!!!!!!!!!!!!!!!! I've got past the Cradle of the North. It would be wise to place Frost Towers as close the World Seal as you can as they will fight the shades. You need to give 25 Ice Crystals to the Idol of the Storm, as his lightning Bolts will eventually kill the Shades. It would also be wise to place Frost Towers around the entrance to the village, as they will also cause damage to the Shades. I think I used the lightning bolts about 4 or 5 times