Abi-Dalzim's Horrid Wilting

This spell evaporates moisture from the bodies of every living creature within the area of effect, inflicting 1d8 points of damage per level of the caster. Affected creatures are allowed a saving throw, with success indicating half damage.

This spell is especially devastating to water elementals and plant creatures, who receive a penalty of -2 to their saving throws.

The material component is a bit of sponge.