Witchweed

The weed of the witch, which was also called simply witchweed, was type of plant that had a profoundly negative effect on wizards.

Description
Witchweed was long and green.

Powers
The fumes of burning witchweed produced a cloud measuring across. A wizard caught within the cloud began coughing violently, preventing them from casting spells while causing physical harm as well. The fumes lasted for 11–17 minutes before dissipating.

History
Witchweed was used in Luthcheq since wizards were banned from entering the city.