Cas Corach

In Irish mythology, Cas Corach was a hero who helped Caílte mac Rónáin kill three werewolf-like creatures, the daughters of Airitech^[1] who would come out of the Cave of Cruachan every year around Samhain and destroy sheep. The she-wolves liked music, so he aided in their slaying by playing a harp to attract and distract them and by persuading them to change to human form, while Caoilte cast a spear that penetrated all three, thereby killing them.

The Oxford Dictionary of Celtic Mythology states that Cas Corach, (also spelled Cascorrach, Cas Corrach), is a harper of Tuatha Dé Danann, who played for St. Patrick. He follows Caílte to learn of the patriotic lore of the Ferians, as told in the Alccallam na Senòrach. It makes no reference to Airitech or his werewolf daughters. Werewolves are not native to Celtic/Irish folklore and mythology and therefore if he killed female wolf-like creatures they would not have been werewolves in a true sense.

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