The Bannick Fog of Valachan
From Mistipedia
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This section contains Potential-canon info, revealed by the creators from never-published sources |
Mentioned in Van Richten's Guide to the Mists, the Bannick Fog is said to have plagued that land for 10 years, strangling its victims and reanimating them as zombies.[1] 
The Bannick Fog may have been a zombie fog with the Strangling Form special ability.
