Some articles on kellipoth:

Series Releases - Dark Rising: Bring Your Battle Axe (2007)
... A Kellipoth Demon arrives on the scene killing Marlene and biting Jasmine… but the Book of Shadows also brings back Summer Vale… now a Demon Warrior ... The Kellipoth bite infects Jasmine and she becomes a member of the Kingdom of Shells… Demon-like beings without a soul ... kills Jasmine but it is too late to save his best friend, as Ricky also succumbs to the Kellipoth ...