User blog comment:Volknur/Darks Souls II Announced/@comment-6351660-20121213020108/@comment-1687225-20121214032755

no, the curse of undeath was the result of Gwyn disobeying the laws of nature and unnaturally prolonging the age of fire. Kaathe implies that ending the age of fire and starting the age of dark will get rid of the curse of undeath.