Dieden's Window of Opportunity

A spell that conjures a window within the Mind’s Eye that, on a failed save, gives the user the opportunity to attack the weak point of a target. Upon use, this spell lasts until the end of the user’s next turn.

• Upon a Failure, lowers the AC of the target by 2 for the user / 1 for all
• Upon a Success, lowers the AC of the target by 1 for the user