Donaar's Promise

You utter a simple statement, holding your hand on the book used in the casting of the spell. You then spend a minute tracing an intricate glyph across your chest. Until this spell is dispelled, you cannot willingly violate the terms of the statement. You cannot cast this spell against your will. At the end of the casting period, every creature of your choice within 20 feet is immediately informed of your casting of this spell and the statement you are now bound to. This effect cannot be replicated or faked in any way.