Today's Weretober prompt is Mule!

The Headless Mule (Mula Sem Cabeça) from Brazilian folklore is a cursed creature said to had been a willingly sinful woman, but it seems to have evolved over the years to curse more somehow...

Now it can even run on two legs

A creature with eyes of coal and white-hot fangs, it'd be a wonder if you could survive a bite to become one