The sky was as dark as ink, the ground covered in frost.
Venerable Baize hung high in the sky, crafting a wheel above the firmament to transport the endless ghosts entering the Yin Yang Realm. This wheel would sort the ghosts into different regions depending on the resentment entwined around them.
When the Pan God created heaven and earth, they were divided into the Yin and Yang Realms. Ghosts from Yangjian were supposed to go to the Netherworld, as was the stringent rule of the heavens. However, due to the sheer number of deceased creatures, even the vast heavenly laws couldn't bear the quantity after a time, and naturally, oversights occurred.
Ghosts with excessive resentment could not enter the heavenly cycle of reincarnation and would remain in the world, a mistake in the operation of the cosmic Dao. Since ancient times, countless such beings have lingered in the Mortal Realm, becoming one of the evil spirits known as ghosts.