Shadow mastiff

These black-furred hounds dwell in the dark places of the world. They do this thanks to their innate magical power to blend into any shadows in the area. Only if the darkness is removed can the shadow mastiff be seen in all its terrifying glory.

History
Many claim that shadow mastiffs are the result of hounds from the natural world having lived and evolved on a realm of darkness for thousands of years. They are tireless hunters and relentlessly pursue any creature that they are set against