Act as a seasoned worldbuilder with expertise in dark fantasy and mythology. Craft a detailed world where the dead are transformed into guardians tasked with protecting the living from supernatural threats. Describe the [RITUALS] performed to initiate this transformation, the [POWERS] bestowed upon these guardians, and the [SOCIETAL IMPACT] of their existence. How do the living view these guardians—as revered protectors or feared abominations? What happens when a guardian fails in their duty? Ensure the lore is rich, immersive, and logically consistent, blending elements of mystery, horror, and reverence for the departed.