With a circle on the floor he compels them to be pure
Witchcraft or possibly excorcism.
Somebody — let’s just go with a priest — who knows their magic draws a circle on the floor with the person in the middle who his possessed by a demon. Possibly referring back to “diamond-flooded demons"
Which could mean that he is technically talking about rappers that are giving the listeners a bad message.
The priest demands for the evil spirit to be gone from the body, so they can be pure or start spreading love and positive messages.
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