Prerequisite: Sudden disguise trick

Benefit(s): The ninja has learned to focus her ki to conceal some portion of her aura. The ninja may suppress one aspect of her alignment (chaos, evil, good, or law), the presence of poison on their equipment, their surface thoughts, or the presence of magic on their body or gear. The aura is suppressed for one hour. Whenever a spell or effect would normally reveal one of these things, the detector must make a Spellcraft check, opposed by the ninja’s Disguise check. On a failed check, the selected aura is not revealed. Each use of this ability uses up 1 ki point.