Tharisduns Realm of Madness

Tharisduns Realm of Madness is a spell that lets one set a trap for unsuspecting foes ( or adventurers for you DMs ) by trapping a hosts mind with darkness and malice. if anyone interacts with the host the party must make a DC 17 WIS saving throw or they are pulled into the hosts mind. to escape you need to either have someone outside use remove curse OR you need to destroy the essence of the madness ( ex a nightmare dragon )