Incompetence (P1, T1)
Source
Armory pg. 157
You cause all targets of this spell to lose proficiency with one class of weapons of your choice (basic or advanced melee weapons, small arms, longarms, heavy weapons, grenades, or natural weapons) and suffer the normal penalties for attacks made with weapons they are not proficient with.
Dragonscript
ID
7c3b3dd12587b43b301535af
Effect
append '45ae9d1493de70a376811f10' to character.spells;