Disruptive Aura [spell]

Type     : Utility [Area Effect]
Target   : One room
Elements : Chaos, Air
Classes  : Stormvermin[25], Assassin[25], Gutter Runner[12], Grey Seer[5]
Mana Cost: 15
Syntax   : Cast 'disruptive aura'

Description:
 Creates a disruptive aura in a room in which it is hard to concentrate.
 This hinders actions which require concentration, primarily spell
 casting, but also such things as talking can be hindered. Skaven are
 more or less immune to the chaotic influences of this spell.