Abi-Dalzim's horrid wilting

Horrid wilting is a necromancy spell that damages a creature via dehydration.

Effect
This spell evaporates moisture from the bodies of all the subject living creatures, dealing 1d8 points of damage per caster level (maximum 25d8). This spell is especially devastating to water elementals and plant creatures, who receive a penalty of -2 to their saving throws.

Arcane Material Component
A bit of sponge.