Pain of Ages

You sense a spiritual resonance of deep anguish in the earth beneath your feet, the walls surrounding you, or the fragments of souls left behind in a place of calamity. You draw on this reservoir of pain and unleash its force against your enemies, dealing 8d8 spirit damage. On a critical failure, the creature is also Stunned for 1 round as it reels from the impact of so much anguish. Heightened (+1) The damage increases by 2d8.