The results of the target’s next [dice] dice rolls are whatever is narratively expected for maximum suspense and drama (based on whether they succeed or fail).

If you invest 2 or more dice in the spell, you can pick the genre the tropes follow; 3 or more: you can pick a specific story; 4 or more: the effects becoome permanent.

enforce + trope

From A Blasted Cratered Land’s Book Wizard