in a night of full moon near of the castle you can see a imposant and dark form in the darkness of the night and you see him valkerius god of darkness and the moon legend say of it him who have save some peoples of a terrible sickness who have hit a part of the land and by her power he have created the firsts vampires

Valkerius: Greeting noble mortal my name is valkerius god of the darkness and the moon...

her simple presence for a mortal is to be temporarily blind cause of her dark effect and for creatures who don’t hugging the darkness and live in the light be near of valkerius making the vision dark or her secondary effect is to make sleep a mortal in modifiate her biology of sleep but for some hours it act like a mist around valkerius making mortal half sleepy and half awaken