@JeremyECrawford Can a creature who is under the effects of "Crown of Madness" use its reaction to gain attack of opportunity?
— Brandon Heuman (@Baudgee) August 17, 2016
Crown of madness has no effect on the target's use of its reactions. #DnD https://t.co/RW8T0SmtAp
— Jeremy Crawford (@JeremyECrawford) August 17, 2016