I'm waking up, I feel it in my bones
Enough to make my systems blow
This continues the trend of strong language to get the point across, similar to the usage of “apocalypse” to describe a drastic change. In this case the narrator describes his awakening with strong language to emphasize that he has finally come to a realization and is ready to change things. The narrator here is so overwhelmed by this new feeling that he can’t control it.
The whole “waking up” idea might have something to do with the rebirth of a phoenix. In the very first line of the song, the narrator states he is “waking up to ash and dust”. When a phoenix dies, it bursts into flames then is immediately reborn in the ashes. So the narrator could be comparing this awakening he has experienced to the rebirth of a phoenix from the ashes.
Also, similar to the “sweat my rust” line, he seems to be comparing humans to machines, considering he calls his body his “system”. Because before this awakening that is exactly what he felt like.
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