What a demon, a behemoth evil just seems to be seething through him
The above line is someone else asking a question (he’s often used different characters in his lyrics — think “Brain Damage”) and the line below it is answering it.
It’s the portrayal of how some talking heads view Eminem’s lyrics as bad influences and correlate to Marshall Mathers the person as being a “demon”.
The “Evil” part parlays that, but has the double-meaning because he’s Evil, and Royce is Bad (like Steve Segal).
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