Acid fog

Acid fog is a conjuration spell that conjures acidic vapors.

Effect
Acid fog creates a billowing mass of misty vapors similar to a solid fog spell. In addition to slowing creatures down and obscuring sight, this spell's vapors are highly acidic. The fog deals acid damage to any creatures or objects within it.

Material components
A pinch of dried, powdered peas combined with powdered animal hoof.