Dust of Mind Dulling: This harmless-looking dust is the bane of spellcasters. One pinch of this
dust can be flung up to 30 feet from the user and will scatter to fill a
5-foot-radius sphere.
All spellcasters within the area must make a saving throw versus spell or find
their minds dulled and their wits slowed. All casting times less than 1 round
are increased by 2 as the wizards hesitate, trying to remember the procedures.
Spells which normally require 1 round to cast now require 1 full round plus a
casting time of 5 on the following round; spells which normally have a casting
time of 2 rounds or longer now require 50% longer than normal to cast. The dust
persists in the area for 1 turn unless somehow removed (e.g., a gust of wind spell). Those affected by the dust are impaired in their spellcasting for
1d4+1 turns thereafter.
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