AD&D 2nd Edition

Sphere: Weather
Range: 0
Components: V, S
Duration: 4 rounds/ level
Casting Time: 5
Area of Effect: Special
Saving Throw: None

This spell causes a misty vapor to arise around the caster. It persists in this locale for four rounds per caster level and reduces the visibility ranges of all types of vision (including infravision) to 2d4 feet. The ground area affected by the spell is a square progression based on the caster’s level: a 10′ x 10′ area at 1st level, a 20′ x 20 ‘ area at 2nd level, a 30′ x 30’ area at 3rd level, and so on. The height of the vapor is restricted to 10 feet, although the cloud will otherwise expand to fill confined spaces. A strong wind (such as the 3rd-level wizard spell, gust of wind) can cut the duration of an obscurement spell by 75%. This spell does not function under water.