**_Prerequisite:** At least one illusion spell in your spellbook_ ___ You have advantage on [[Investigation]] checks and Intelligence saving throws made against illusion. When you succeed on an ability check or saving throw to see through an illusion, all allies within 30 feet of you gain advantage on checks to see through that illusion for the next minute. #electiveStudies #improvedInvestigation #intelligenceSaveAdv #allyAdvantage