With seven deadly stains
Adhere the blame to crystal conscience
“Seven deadly stains” is a play on words that represents the 7 deadly sins. He just mentioned “souls” in previous line, which meant individuals before. But in a tricky piece of wordplay he switches the meaning of “soul” to the social conscience inside. In the first part of the line it refers to the “better souls”, so it means better individual. In the other part of the line, he talks about “souls with seven deadly stains”, meaning consciences with flaws. He only says the word soul once here, which demonstrates his ability to get 2 points across without wasting words.
“Adhere the blame to crystal conscious” is saying your conscience isn’t perfect, its been affected by the “seven deadly stains”.
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