Death Fog creates a toxic fog which will kill or do acid damage to any creature caught in it, except those creatures that are immune to acid.
|“|| Death Fog|
The casting of a Death Fog spell creates an area of solid fog that has the additional property of being highly acidic. All animal life not immune to acid suffers 8 points of damage for each round they are exposed to the vapors of the Death Fog. Death Fog will also instantly kill all summoned creatures, regardless of their Hit Dice or immunities.