I don't know about that. Master Spark could take out a mountain. KM's shield could take a seven story granite building (if I'm remembering the Bank of England correctly), full of gold and crap, without him even caring. Seems roughly equivalent, as far as it goes
...not that it matters much, since I don't see her living past the opening 'She throws out her bullet hell spam, it gets ignored, KM rips her head off'
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We are thought, and reality, and concept, and the unimaginable