| Class and level | Magic-User 5 |
| Duration | 6 turns |
| Range | 30' |
A poisonous fog streams from the caster's fingertips, filling a 30' diameter area.
The fog moves at 60' per turn (20' per round), driven by the wind (or away from the caster, in still conditions).
Because the fog is heavier than air, it sinks to the lowest level of the land, even pouring down den or sinkhole openings.
All creatures in contact with the vapours suffer 1 hit point of damage per round of contact. Creatures with less than 5 Hit Dice must also save versus death (also once per round of contact) or die.