Quote from silent killer
How do we even know that sword is Zangetsu. He lost all is reiatsu twice. Even with him getting a new infusion, none of it was his. It should be a new sword, but all that logic is futile
i think Zangetsu changed quite a bit, but its still Zangetsu
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The 50-50-90 rule: Anytime you have a 50-50 chance of getting something right,
there's a 90% probability you'll get it wrong.