Individuals cursed to transform into a bipedal wolf every full moon.

• Arnon

Attacks from Werewolves can be gruesome, leaving victims with permanent scars and as possible inheritors of the curse;

A bloody bandage has been wrapped tightly around the left half of her face. She will, no doubt, be left with scars for the rest of her life after the attack. If the wound is infected, she may even turn into a Werewolf herself. - Festival of Heroes (GS-ADV1)

Those who bear the Werewolf's curse begin the painful process of transformation most regularly when the light of the moon makes contact with their skin.

However, exceptional cases of lycanthropy can cause carriers to exhibit symptoms even sooner;

Then, he howls in pain as his bones crack and his muscles swell. Hair spreads over his body like a thick moss.

His eyes turn a fiery red, and he bolts upright, grabbing you by the throat.

Dark hairs have already sprouted from his cheeks and forehead. His teeth look as though they were sharpened on a stone wheel. - Festival of Heroes (GS-ADV1)