First of all, the Voodoo Cult was prevalent in places like Africa and the Caribbean Sea on Earth-0, where the slave trade had once flourished. It was also a culmination of Africa's various traditional religions.
In their view, all things possessed spirits. These people worshipped whatever they wished to worship, including but not limited to Elemental Spirits.
Naturally, some worshipped death and Ancestor Spirits.
According to this branch's beliefs, one could use something that had belonged to the deceased in life to summon a wandering soul back into its corpse. That was the famous "revenant corpse."
Of course, some Imposter witch doctors used anesthetics to put people into a state of apparent death, then hypnotized and controlled them as slaves. That was not uncommon either.
But there was no room for such fakes in the Magic World. That was why Papa Midnite had so much influence in North Africa. The methods he used to make revenant corpses were the real deal, and he acted without restraint.
Bobo could not be sure whether what this Prophet was doing had anything to do with Voodoo, but he knew that ordering people to search for items related to the dead could indeed be used to summon souls.
It was not particularly difficult. If you had a means of communication and held something the deceased had treasured in life, then upon hearing the summons, the ghost would naturally return to reclaim its belongings.
There were simply too many people capable of doing that. Constantine was one of the best, and when it came to jobs involving a possessed ghost delivering a message, he often got paid by both the client and the target.
Those poor people had undoubtedly been deceived by the "Master of Dark Arts" title on Zha Kang's business card, or by