>>75
I think he's saying the demons are being released
"To raise Cain means to cause a commotion, to create a disturbance, to make trouble. The Cain in the phrase raise Cain refers to a character in the Old Testament of the Bible. Cain was the son of Adam and Eve, and he murdered his brother Abel. In the story, both Cain and Abel bring an offering to God. God accepts Abel’s offering but rejects Cain’s offering. In a fit of jealousy, Cain murders Abel. The verb to raise as used in the idiom to raise Cain means to conjure the spirit of someone. Therefore, to raise Cain means to conjure up the murderous spirit of Cain, certainly a way to create a disturbance or make trouble. Note that the term Cain is capitalized, as it is a proper noun. Related phrases are raises Cain, raised Cain, raising Cain. The term raise Cain first appeared around 1840."
https://grammarist.com/idiom/raise-cain/