But it is defined to the extent that applying the vampire template makes a character Evil, and presumably being Evil Undead will make Durkon's continued career as a cleric of Thor...difficult.
Yes, that... "difficulty" is probably what it's going to be all about...
Ser Ilyn, Ser Meryn, Queen Cersei, King Joffrey, The Tickler, The Hound, Ser Amory, Polliver, Raff the Sweetling, Weese, Dunsen, Nale, Ser Gregor Clegane and Chiswyck: Winter is coming!