Gloom

Gloom was a rare spell that darkened an area.

Effects
When cast, all light sources within a area dimmed significantly. The spell affected both magical and mundane light. This spell was often used to protect light-sensitive creatures such as vampires from sunlight.

Casting
In addition to verbal and somatic components, this spell required a material component, special incense which was made by the caster.

History
This spell was known to be used by wizards of the Cult of the Dragon.