Debilitating Dichotomy

You reveal a glimpse of the impossible conflicts between the divine anathema behind your curse, forcing you to reckon with another's conflicts as well. You and one creature within 30 feet each take ] damage with a save, and the target is Stunned 1 if it critically fails its save. You get a degree of success one better than you rolled for your saving throw. At 10th level, and every 2 levels thereafter, the damage increases by 3d6.