For as long as there has been recorded history, there has been werewolves like you. On every continent and every era, we find stories to explain the first werewolves who walked the earth.
Whether you take these stories literally and believe every word of them or you just accept them as guiding symbols, you may look for and even find many mystical and historical objects that relate to these stories. These objects, if you do succeed in finding them, may be very useful to you. Very useful indeed.
These are just a few origin histories of the werewolves. Some say there are many, many others.