The Waillepen is a form of undead shapeshifter from Mapuche myth. They are thought to take the form of animals, though they may sometimes appear as a horrific conglomeration of animals, commonly a cow and a sheep. They can also appear in the form of a human. They are evil creatures living in swampy woods known to spread disease and attack newborn animals and babies, causing blindness. It is because of these attacks that blind people are sometimes referred to as Waillepen themselves. They are vampiric creatures that feed on flesh and blood, but also chase prey for extended periods to feed on their fear. The Waillepen can only be…