Follow the path out of town that runs under the houses.
To get there, do the "Treasure Island Of Doom" quest.
It is a very large room.
Quit the Co-op mode game.
Your dog should react to it.
Next, go to Fairfax Gardens, and sell them to one of the wandering merchants must be a weapons trader.
Go up to a person with a partner in Co-op mode.
Search them, and one will be described as "No, no wintry wonder place.
Buried on the left, just before you enter the Hobbe Cave's monster central room with an "S"-shaped pathway.
To gain access, complete the "Hero Of Skill" quest.
Oh the highest part of the island with the stalagmites and the stalactites.