106a5d3a_uidebook___Wearable_items_list_Armor_Modifiers_Armor_prefix
[Effect] reduces Ap and Ch to 1 [Great identify message] Its appearance is extremely vile and completely ruins your apparition (Charisma and Appearance both reduced to 1). [Armor prefix] 
vile
Improved ADOM Guidebook - Wearable items list
Armor prefix