Target takes the "on hit" effect of a conjured missile spell that you are proficient in. If the triggering hit was a critical hit, then the target takes the "on critical hit" effect instead. You may not heighten this effect (although it can still be affected by abilities such as Bellows).
Target takes the "on hit" effect of a conjured missile spell that you are proficient in. If the triggering hit was a critical hit, then the target takes the "on critical hit" effect instead. You may not heighten this effect (although it can still be affected by abilities such as Bellows).