Actually, most people have known this for a while. But just for the sake of your readers, you should have mentioned which boss drops it ( which is Jokul the Yeti guy, by the way). Anyway, some poeple may have fiound this helpful, but not me.
Farming for pets. Duncan WindLeaf, Level 38 Magus Diviner( idk if it is the actual title for this level because I don't pay much attention)