While I watched in horror as you frolicked through the haunted woods with my precious relic, your meddling did inspire an idea. The unstable rifts you encountered are the precursors to our pylon guards. We have been unable to conjure more for centuries, and I worry what might happen when those that remain inevitably flicker out. I know it seems counterintuitive, but see if you can find another pylon protector nearly on the verge of collapse and recover their Crystal Heart. I'll explain more after.