Is "You owe these pale demons nothing" a quote from something, or a pastiche of some style of speech? Maybe US black nationalism or Mugabe-ism? It's not normal

Is "You owe these pale demons nothing" a quote from something, or a pastiche of some style of speech? Maybe US black nationalism or Mugabe-ism? It's not normal English. Google only finds things about Buzzfeed though. I suspect there may be a lot of whoosh happening here.